TECHNICAL FIELD
[0001] The present disclosure relates to the field of optical fiber
cables. More particularly, the present disclosure relates to an intrusion proof optical fiber cable. The present application is based on and claims priority from Indian Application Number 201711045538 filed on 2017/12/19, the disclosure of which is hereby incorporated by reference herein.
BACKGROUND
[0002] Optical fiber cables have secured an important position in
building network of modern communication systems across the world. One such type of optical fiber cables are intrusion proof cables for highly secured optical fiber network. Traditionally, these intrusion proof cables are gel filled cables. The gel is filled inside buffer tubes. However, these intrusion proof cables are large in weight due to presence of gel. In addition, these intrusion proof cables have a high preparation time and mid span access takes more time as well due to the presence of gel. Further, these optical fiber cables are prone to intrusion from external factors. So, there is a continuous need to avoid intrusion and need for such a cable which is intrusion proof.
OBJECT OF THE DISCLOSURE
[0003] A primary object of the present disclosure is to provide an
intrusion proof optical fiber cable.

[0004] Another object of the present disclosure is to provide the
intrusion proof optical fiber cable with improved intrusion detection.
[0005] Yet another object of the present disclosure is to provide the
intrusion proof optical fiber cable that is completely dry.
[0006] Yet another object of the present disclosure is to provide the
intrusion proof optical fiber cable with water blocking tape to improve water resistant.
[0007] Yet another object of the present disclosure is to provide the
intrusion proof optical fiber cable with reduced weight.
[0008] Yet another object of the present disclosure is to provide the
intrusion proof optical fiber cable with reduced diameter.
[0009] Yet another object of the present disclosure is to provide the
intrusion proof optical fiber cable with improved blowing performance.
[0010] Yet another object of the present disclosure is to provide the
intrusion proof optical fiber cable with reduced manufacturing cost.
SUMMARY
[0011] In an aspect, the present disclosure provides an intrusion
proof optical fiber cable. The intrusion proof optical fiber cable includes a plurality of optical fibers. The plurality of optical fiber lies substantially along a longitudinal axis of the intrusion proof optical fiber cable. The longitudinal axis passing through a geometrical

center of the intrusion proof optical fiber cable. The intrusion proof optical fiber cable includes a first layer. The first layer surrounds the plurality of optical fibers. The first layer is water blocking layer. The intrusion proof optical fiber cable includes a second layer. The second layer surrounds the first layer. The second layer is a sheathing layer. The second layer comprises atleast one embedded strength member. The atleast one embedded strength members are positioned 180 degree apart from each other. The intrusion proof optical fiber cable includes a fourth layer. The fourth layer surrounds the second layer. The fourth layer includes a plurality of buffer tube. Each of the plurality of buffer tube encloses at least one optical fiber. The intrusion proof optical fiber cable includes a seventh layer. The seventh layer surrounds the fourth layer. The seventh layer is a sheathing layer. The intrusion proof optical fiber cable is substantially gel free and completely dry. The intrusion proof optical fiber cable has substantially no filler in the fourth layer.
[0012] In an embodiment of the present disclosure, the intrusion
proof optical fiber cable includes a third layer surrounding the second layer. The third layer includes a plurality of water blocking element. The third layer is formed of one of water blocking tape, water blocking yarns, and water resistant material.
[0013] In an embodiment of the present disclosure, the intrusion
proof optical fiber cable includes a fifth layer surrounding the fourth layer. The fifth layer is a water blocking layer. The fifth layer is formed of one of water blocking tape, water blocking yarns, and water resistant material.

[0014] In an embodiment of the present disclosure, the intrusion
proof optical fiber cable includes a sixth layer surrounding a fifth layer. The sixth layer is a layer of strength yarns. The layer of strength yarns of the sixth layer is formed of one of aramid yarns, glass roving yarns, basalt fibers, and fiber reinforced plastic.
[0015] In an embodiment of the present disclosure, the fourth layer
comprising a plurality of sensory buffer tube.
[0016] In an embodiment of the present disclosure, the first layer is
formed of one of water blocking tape, water blocking yarns, and water resistant material.
[0017] In an embodiment of the present disclosure, the atleast one
embedded strength member is positioned 180 degree apart from each other.
[0018] In an embodiment of the present disclosure, the atleast one
embedded strength member is formed of one of fiber reinforced plastic, steel wires and aramid material.
[0019] In an embodiment of the present disclosure, the seventh layer
includes a second plurality of embedded strength member. The second plurality of embedded strength member is positioned 180 degree apart from each other.
[0020] In an embodiment of the present disclosure, the plurality of
optical fiber is positioned as one of a plurality of optical fiber ribbons, a plurality of loose optical fibers or plurality optical fibers encapsulated in a plurality of micromodules.

[0021] In an embodiment of the present disclosure, the second layer
surrounds a buffer tube layer. The buffer tube layer is central buffer tube layer positioned concentrically between the first layer and the second layer. The buffer tube layer is formed of a material selected from a group A. The group A includes polypropylene, high density polyethylene, medium density polyethylene.
[0022] In an embodiment of the present disclosure, the intrusion
proof optical fiber cable further includes a first set of ripcords and a second set of ripcords. The first set of ripcords is positioned below the second layer. The second set of ripcords is positioned below the seventh layer.
[0023] In an embodiment of the present disclosure, the second layer
is formed of polyolefin material. Each of the plurality of buffer tube of the fourth layer is formed of a material selected from a group B. The group B includes polybutylene terephthalate, polypropylene, high density polyethylene.
STATEMENT OF THE DISCLOSURE
[0024] The present disclosure provides an intrusion proof optical
fiber cable. The intrusion proof optical fiber cable includes a plurality of optical fibers. The plurality of optical fiber lies substantially along a longitudinal axis of the intrusion proof optical fiber cable. The longitudinal axis passing through a geometrical center of the intrusion proof optical fiber cable. The intrusion proof optical fiber cable includes a first layer. The first layer surrounds the plurality of optical fibers. The first layer is water blocking layer. The intrusion proof optical fiber cable includes a second layer. The second layer

surrounds the first layer. The second layer is a sheathing layer. The second layer comprises at least one embedded strength member. The a tleast one embedded strength members are positioned 180 degree apart from each other. The intrusion proof optical fiber cable includes a fourth layer. The fourth layer surrounds the second layer. The fourth layer includes a plurality of buffer tube. Each of the plurality of buffer tube encloses at least one optical fiber. The intrusion proof optical fiber cable includes a seventh layer. The seventh layer surrounds the fourth layer. The seventh layer is a sheathing layer. The intrusion proof optical fiber cable is substantially gel free and completely dry. The intrusion proof optical fiber cable has substantially no filler in the fourth layer.
BRIEF DESCRIPTION OF FIGURES
[0025] Having thus described the disclosure in general terms,
reference will now be made to the accompanying figures, wherein:
[0026] FIG. 1A illustrates a cross sectional view of an intrusion
proof optical fiber cable, in accordance with an embodiment of the present disclosure;
[0027] FIG. IB illustrates a cross sectional view of the intrusion
proof optical fiber cable, in accordance with another embodiment of the present disclosure; and
[0028] FIG. 1C illustrates a cross sectional view of the intrusion
proof optical fiber cable, in accordance with yet another embodiment of the present disclosure.

[0029] It should be noted that the accompanying figures are intended
to present illustrations of exemplary embodiments of the present disclosure. These figures are not intended to limit the scope of the present disclosure. It should also be noted that accompanying figures are not necessarily drawn to scale.
DETAILED DESCRIPTION
[0030] Reference will now be made in detail to selected
embodiments of the present disclosure in conjunction with accompanying figures. The embodiments described herein are not intended to limit the scope of the disclosure, and the present disclosure should not be construed as limited to the embodiments described. This disclosure may be embodied in different forms without departing from the scope and spirit of the disclosure. It should be understood that the accompanying figures are intended and provided to illustrate embodiments of the disclosure described below and are not necessarily drawn to scale. In the drawings, like numbers refer to like elements throughout, and thicknesses and dimensions of some components may be exaggerated for providing better clarity and ease of understanding.
[0031] It should be noted that the terms "first", "second", and the
like, herein do not denote any order, ranking, quantity, or importance, but rather are used to distinguish one element from another. Further, the terms "a" and "an" herein do not denote a limitation of quantity, but rather denote the presence of at least one of the referenced item.
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[0032] FIG. 1A illustrates a cross sectional view of an intrusion proof optical fiber cable 100, in accordance with an embodiment of the present disclosure. In general, optical fiber cable is a network cable that contains strands or array of glass fibers inside an insulated casing. The glass fibers are optical transmission elements and, are used to carry optical signals. The insulated casing facilitates to protect the optical transmissions elements from heat, cold, unwanted disturbances and external interference from other types of wiring. The insulated casing provides protection to the intrusion proof optical fiber cable 100 from ultraviolet rays of sun. The intrusion proof optical fiber cable 100 is designed for long distance transmission of optical signal. The intrusion proof optical fiber cable 100 enables very high speed data transmission. The intrusion proof optical fiber cable 100 transmits data at a higher speed than copper data cable. The intrusion proof optical fiber cable 100 transmits data at much higher band width than copper data cable. The intrusion proof optical fiber cable 100 is difficult to intrude. The intrusion proof optical fiber cable 100 includes layer of sensory buffer tubes to prevent intrusion inside the cable.
[0033] The intrusion proof optical fiber cable 100 is circular in cross section. The intrusion proof optical fiber cable 100 is substantially gel free and completely dry. The intrusion proof optical fiber cable 100 has substantially no filler in a fourth layer. The intrusion proof optical fiber cable 100 is optimized in weight. The intrusion proof optical fiber cable 100 is optimized in diameter. In general, reduced diameter and light weight optical cables are employed for duct, aerial and underground installations. The intrusion proof optical fiber cable 100 is used for installation in ducts and micro ducts. The intrusion proof
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optical fiber cable 100 is specially designed for easy and economical duct installation and underground installation. The intrusion proof optical fiber cable 100 is used for a wide variety of applications. The wide variety of applications includes high speed internet, data transmission, optical sensor, intercommunication, optical circuit installations and the like. The intrusion proof optical fiber cable 100 is very less susceptible to interference. The intrusion proof optical fiber cable 100 is employed for underground installation. In general, the intrusion proof optical fiber cable 100 is used for installation in ducts and micro ducts. In addition, the intrusion proof optical fiber cable 100 is used for indoor and outdoor applications.
[0034] The cross sectional view describes a layered structure and
distribution of discrete elements of the intrusion proof optical fiber cable 100. The layered structure of the intrusion proof optical fiber cable 100 includes a plurality of optical fiber 102, a first layer 104, a buffer tube layer 106, a second layer 108, and atleast one embedded strength members 110. In addition, the intrusion proof optical fiber cable 100 includes a third layer 112, a fourth layer 114, a fifth layer 116, a sixth layer 118, a seventh layer 120 and a second plurality of embedded strength member 122. The above combination of structural elements enables an improvement in a plurality of parameters of the intrusion proof optical fiber cable 100. The plurality of parameters includes intrusion proofing, cable weight, cable diameter, water resistance, ease of manufacturing, blowing performance, installation efficiency, and the like.
[0035] The intrusion proof optical fiber cable 100 includes the
plurality of optical fiber 102. The plurality of optical fiber 102 lies substantially along a longitudinal axis 128 of the intrusion proof
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optical fiber cable 100. The longitudinal axis 128 is an imaginary axis. The longitudinal axis 128 passes through a geometrical center 130 of the intrusion proof optical fiber cable 100. The geometrical center 130 is center point of circular cross sectional geometry of the intrusion proof optical fiber cable 100. In general, each of the plurality of optical fiber 102 is a fiber used for transmitting information as light pulses from one end of the intrusion proof optical fiber cable 100 to another end of the intrusion proof optical fiber cable 100. In addition, each of the plurality of optical fiber 102 is a thin strand of glass capable of transmitting optical signals. Also, each of the plurality of optical fiber 102 is configured to transmit large amounts of information over long distances with relatively low attenuation. Further, each of the plurality of optical fiber 102 includes a core region and a cladding region. The core region is an inner part of an optical fiber and the cladding section is an outer part of the optical fiber. Moreover, the core region is defined by a central longitudinal axis of each of the plurality of optical fiber. In addition, the cladding region circumferentially surrounds the core region.
[0036] The plurality of optical fiber 102 is arranged as plurality of
optical fiber ribbons. The intrusion proof optical fiber cable 100 includes 4 optical fiber ribbons. The intrusion proof optical fiber cable 100 includes 48 (12×4) optical fibers. In an embodiment of the present disclosure, the intrusion proof optical fiber cable 100 includes any suitable number of optical fiber ribbons. Each of the plurality of optical fiber ribbon includes 12 optical fibers. In an embodiment of the present disclosure, each of the plurality of optical fiber ribbon includes the plurality of optical fiber. In an embodiment of the present disclosure, each of the plurality of optical fiber ribbon includes any
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suitable number of optical fibers. The plurality of optical fibers in each of the plurality of optical fiber ribbons 102 is a colored optical fiber. The coloring is done for identification of each of the plurality of optical fibers in the plurality of optical fiber ribbons 102. In an embodiment of the present disclosure, the colors include blue, orange, green, brown, gray, white, red, black, yellow, violet, pink and aqua. In another embodiment of the present disclosure, the color repeats as the number of the plurality of optical fibers exceed more than 12 in a single ribbon. In yet another embodiment of the present disclosure, a marking system is used to distinguish between same colored fibers of the same ribbon. In yet another embodiment of the present disclosure, the plurality of optical fiber in each of the plurality of optical fiber ribbon 102 is colored with any other suitable pattern of the like.
[0037] The intrusion proof optical fiber cable 100 includes the first
layer 104. The first layer 104 circumferentially surrounds core of the intrusion proof optical fiber cable 100. The first layer 104 surrounds and encapsulates the plurality of optical fiber 102. The first layer 104 extends substantially along entire length of the intrusion proof optical fiber cable 100. The first layer 104 is water blocking layer. In an embodiment of the present disclosure, the first layer 104 is any suitable layer of the like. The water blocking layer is used to prevent ingression of water and moisture inside core of the intrusion proof optical fiber cable 100. In general, core corresponds to a region enclosed by the first layer 104 of the intrusion proof optical fiber cable 100. The first layer 104 is characterized by a width. The width is width of the first layer 102. Further, the width of the first layer 104 is about 25 millimeters. In an embodiment of the present disclosure, the width of the first layer 104 has any suitable value. The first layer 104
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is formed of one of water blocking tape, water blocking yarns, and water resistant material. In an embodiment of the present disclosure, the first layer 104 is formed of any suitable material of the like.
[0038] The intrusion proof optical fiber cable 100 includes the buffer
tube layer 106. The intrusion proof optical fiber cable 100 includes the buffer tube layer 106. The buffer tube layer 106 extends substantially along the entire length of the intrusion proof optical fiber cable 100. The buffer tube layer 106 is a central buffer tube layer of the intrusion proof optical fiber cable 100. In general, a buffer tube is a basic component used to encapsulate one or more optical fibers ribbons for the purpose of providing facilitation in mechanical isolation, protection from physical damage and environmental protection. The central buffer tube is completely dry. The buffer tube layer 106 does not include any gel or any liquid of the like. The intrusion proof optical fiber cable 100 is a completely dry optical fiber cable.
[0039] The buffer tube layer 106 is circular in cross section. The
center of circular cross section of the buffer tube layer 106 lies on the longitudinal axis 128 of the intrusion proof optical fiber cable 100. In an embodiment of the present disclosure, the buffer tube layer 106 is of any suitable cross section of the like. The buffer tube layer 106 is characterized by an inner diameter and an outer diameter. The inner diameter is diameter of inner surface of the buffer tube layer 106. The outer diameter is diameter of outer surface of the buffer tube layer 106. The inner diameter of the buffer tube layer 106 is about 5.55 millimeter. In an embodiment of the present disclosure, the buffer tube layer 106 has any other suitable value of inner diameter. The outer diameter of the buffer tube layer 106 is about 7.0 millimeter. In
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an embodiment of the present disclosure, the buffer tube layer 106 has any other suitable value of outer diameter. The dimensions of the buffer tube layer 106 vary with variation in number of the plurality of optical fibres 102. The buffer tube layer 106 is formed of a material selected from a group A. The group A comprising polypropylene, high density polyethylene, medium density polyethylene. In an embodiment of the present disclosure, the buffer tube layer 106 is formed of any suitable material of the like.
[0040] The intrusion proof optical fiber cable 100 includes the
second layer 108. The second layer 108 concentrically surrounds the first layer 104. The second layer 108 is a sheathing layer of the intrusion proof optical fiber cable 100. The second layer 108 extends substantially along entire length of the intrusion proof optical fiber cable 100. The sheathing layer provides mechanical isolation, physical support and structural integrity to the intrusion proof optical fiber cable 100. The second layer 108 protects the intrusion proof optical fiber cable 100 from harsh environment and harmful UV rays. In addition, the second layer 108 has the inherent ability to resist crushes, kinks, temperature stresses and tensile stress. The second layer 108 is formed of polyolefin material. In general, a polyolefin is a class of polymers produced from a simple olefin i.e. alkene with the general formula CnH2n as a monomer. . Polyolefin facilitates to provide protection and isolation to various elements of the intrusion proof optical fiber cable 100. In an embodiment of the present disclosure, the second layer 108 is formed of polyethylene. In another embodiment of the present disclosure, the second layer 108 is formed of any suitable material of the like.
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[0041] The second layer 108 is characterized by a thickness. The
thickness of thickness of the second layer 108. The thickness of the second layer 108 is about 1.55 millimeter. In an embodiment of the present disclosure, the second layer 108 has any suitable value of thickness. The second layer 108 is characterized by a diameter. The diameter of the second layer 108 is outer diameter of the circular cross section of the second layer 108. The diameter of the second layer 108 is about 9.6 millimetres. In an embodiment of the present disclosure, the second layer 108 has any suitable value of diameter. In general, covering sheath protects optical fiber ribbons from harsh environment, water, moisture, dust, external radiations, mechanical forces and harmful UV rays. The second layer 108 is circular in cross section. The centre of circular cross section of second layer 108 lies on the longitudinal axis of the intrusion proof optical fiber cable 100. The second layer 108 is concentric to the second layer 108 of the intrusion proof optical fiber cable 100. In an embodiment of the present disclosure, the second layer 108 is of any other suitable cross section of the like.
[0042] The intrusion proof optical fiber cable 100 further includes
the atleast one embedded strength member 110. The atleast one embedded strength member110 includes two strength members of equal size and identical shapes. The two strength members in the atleast one embedded strength member 110 are embedded in the second layer 108 diagonally opposite to one another. The two strength members in the atleast one embedded strength member 110 are are positioned 180 degree apart from each other. The two strength members in the atleast one embedded strength member 110 lies substantially along entire length of the intrusion proof optical fiber
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cable 100. In general, strength members are embedded in one or more layers of optical cables to provide mechanical support and tensile strength to optical cables. The two strength members in the atleast one embedded strength member 110 are substantially equidistant from the longitudinal axis 128 of the intrusion proof optical fiber cable 100. Each of the two strength members in the atleast one embedded strength member 110 is of circular cross section. The circular cross section of each of the two strength members of the first set off strength members 110 is identical in shape and equal in size. The atleast one embedded strength member 110 is formed of one of fiber reinforced plastic, steel wires and aramid material. In an embodiment of the present disclosure, the atleast one embedded strength member 110 is formed of any suitable material of the like.
[0043] Each of the two strength members in the atleast one
embedded strength member 110 is characterized by a diameter. The diameter of each strength member of the first set of strength member 110 is diameter of circular cross section of each of the strength member of the first set of strength member 110. The diameter of each strength member of the first set of strength member 110 is about 0.7 ± 0.1 millimetres. In an embodiment of the present disclosure, each strength member of the first set of strength member 110 has any suitable value of the diameter. The two strength members in the atleast one embedded strength member 110 are formed of fiber reinforced plastic. In an embodiment of the present disclosure, the two strength members in the atleast one embedded strength member 110 are formed of any suitable material.
[0044] The intrusion proof optical fiber cable 100 includes the third
layer 112. The third layer 112 is formed of a plurality of water
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swellable yarns. Each of the plurality of water swellable yarn of the third layer 112 helically revolves around the second layer 108. Each of the plurality of water swellable yarn of the third layer 112 helically surrounds the second layer 108. The plurality of water swellable yarns lies helically along entire length of the intrusion proof optical fiber cable 100. In general, water swellable yarns absorb and retain large quantity of water to prevent ingression of water in optical cable. The plurality of water swellable yarns facilitates to prevent ingression of water and moisture into the intrusion proof optical fiber cable 100. In an embodiment of the present disclosure, the plurality of water swellable yarns is positioned at any suitable position. In an embodiment of the present disclosure, the third layer 112 is formed of any suitable material of the like.
[0045] The intrusion proof optical fiber cable 100 includes the fourth
layer 114. The fourth layer 114 circumferentially surrounds the third layer 108 of the intrusion proof optical fiber cable 100. The fourth layer 114 lies substantially along entire length of the intrusion proof optical fiber cable 100. The fourth layer 114 includes a plurality buffer tubes. The fourth layer 114 includes a plurality of sensory buffer tubes. Each of the plurality of sensory buffer tube of the fourth layer 114 encapsulates atleast one optical fiber. In general, a sensory layer enables security of data and information transmitting through an optic cable. The fourth layer 114 facilitates to increase security of data and information transmitting through the intrusion proof optical fiber cable 100. The fourth layer 114 refers to a plurality of sensory buffer tubes arranged compactly adjacent to one another, around the outer surface of the third layer 112. Each of the plurality of sensory buffer tube of the fourth layer 114 is of circular cross section. In an embodiment of the present disclosure, each of the plurality of sensory
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buffer tube of the fourth layer 114 is of any other suitable cross section of the like. The fourth layer 114 is characterized by a number of plurality of sensory buffer tube arranged to form the fourth layer 114. The number of plurality of sensory buffer tubes arranged around the third layer 108 to enable the fourth layer 114 is 16. In an embodiment of the present disclosure, the fourth layer 114 includes any suitable number of the plurality of sensory buffer tubes.
[0046] Each of the plurality of sensory buffer tube of the fourth layer
114 is completely dry sensory buffer tube. Each of the plurality of sensory buffer tubes in the fourth layer 114 encapsulates one or more water swellable yarns. In an embodiment of the present disclosure, each of the plurality of sensory buffer tubes in the fourth layer 114 encapsulates one water swellable yarns. Each of the plurality of sensory buffer tube of the fourth layer 114 encapsulates one optical fiber. In an embodiment of the present disclosure, each of the plurality of sensory buffer tube of the fourth layer 114 encapsulates any suitable number of optical fiber. The optical fiber encapsulated in the plurality of sensory buffer tube of the fourth layer 114 facilitates to increase the security of data or information transmitting through the plurality of optical fiber ribbons 102. For example, if a person attempts to strip open the optical cable to access the data or information, the person at first will end up cutting the fiber in sensory buffer tubes. Any tempering attempt with the optical fiber in sensory buffer tubes will trigger an error signal to transmitting stations. The transmitting station halts the transmission of data through the fiber ribbons on receiving the error signal.
[0047] Each of the plurality of sensory buffer tubes in the fourth
layer 114 is conventional buffer tube. Each of the plurality of sensory
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buffer tubes in the fourth layer 114 encapsulates conventional optical fiber. The plurality of sensory buffer tubes in the fourth layer 114 is arranged equidistant to one another, around the outer surface of the third layer 112. Each of the plurality of sensory buffer tube of the fourth layer 114 is substantially equidistant from the longitudinal axis 128 of the intrusion proof optical fiber cable 100. The fourth layer 114 is circular in cross section. The center of circular cross section of the fourth layer 114 lies substantially on the longitudinal axis 128 of the intrusion proof optical fiber cable 100. The fourth layer 114 is concentric to the second layer 108 of the intrusion proof optical fiber cable 100. The fourth layer 114 is concentric to the first layer 104 of the intrusion proof optical fiber cable 100. In an embodiment of the present disclosure, each of the plurality of sensory buffer tube of the fourth layer 114 is arranged in any the suitable arrangement of the like. The fourth layer 114 of the intrusion proof optical fiber cable 100 include no filler.
[0048] Each of the plurality of sensory buffer tube of the fourth layer
114 is characterized by an inner diameter. The inner diameter of each of the plurality of sensory buffer tube of the fourth layer 114 refers to diameter of internal surfaces of the sensory buffer tubes. The inner diameter of each of the plurality of sensory buffer tube of the fourth layer 114 is about 1.35 millimetres. In an embodiment of the present disclosure, each of the plurality of sensory buffer tube of the fourth layer 114 has any suitable value of inner diameter. Each of the plurality of sensory buffer tube of the fourth layer 114 is characterized by an outer diameter. The outer diameter of each of the plurality of sensory buffer tube of the fourth layer 114 refers to diameter of external surfaces of the sensory buffer tubes. The outer diameter of each of the plurality of sensory buffer tube of the fourth layer 114 is
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about 1.95 millimetres. In an embodiment of the present disclosure, each of the plurality of sensory buffer tube of the fourth layer 114 has any suitable value of outer diameter. Each of the plurality of sensory buffer tube of the fourth layer 114 is formed of a material selected from a group B. The group B includes polybutylene terephthalate, polypropylene, and high density polyethylene. In an embodiment of the present disclosure, each of the plurality of sensory buffer tube of the fourth layer 114 is formed of any suitable material of the like.
[0049] The intrusion proof optical fiber cable includes the fifth layer
116. The fifth layer 116 extends substantially along the entire length of the intrusion proof optical fiber cable 100. The fifth layer 116 circumferentially surrounds the fourth layer 114 of the intrusion proof optical fiber cable 100. The fifth layer 116 is of water swellable tape layer. In general, water swellable tape is highly resistant to ingression of water and moisture through or across surface of water swellable tape. The fifth layer 116 absorbs water and moisture to prevent the plurality of optical fiber 102 from water and moisture. The intrusion proof optical fiber cable 100 is gel free as the fifth layer 116 exhibits water resistant properties and prevents ingression of water and moisture. The fifth layer 116 is circular in cross section. The center of circular cross section of the fifth layer 116 lies on the longitudinal axis 128 of the intrusion proof optical fiber cable 100. The fifth layer 116 concentrically surrounds the fourth layer 114 of the intrusion proof optical fiber cable 100. The fifth layer 116 concentrically surrounds the third layer 112 of the intrusion proof optical fiber cable 100. In an embodiment of the present disclosure, the fifth layer 116 is of any suitable cross section of the like. The fifth layer 116 is characterized by a width. The width of the fifth layer 116 is about 49 millimeter. In an embodiment of the present disclosure, the fifth layer
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116 has any suitable width. The fifth layer 116 is formed of one of water blocking tape, water blocking yarns, and water resistant material. In an embodiment of the present disclosure, the fifth layer 116 is formed of any suitable material of the like.
[0050] The intrusion proof optical fiber cable 100 includes the sixth
layer 118. The sixth layer 118 extends substantially along the entire length of the intrusion proof optical fiber cable 100. The sixth layer 118 circumferentially surrounds the fifth layer 116 of the intrusion proof optical fiber cable 100. The sixth layer 118 is either of aramid yarns or glass roving yarn. In an embodiment of the present disclosure, the sixth layer 118 is of any suitable material of the like. In general, aramid yarns or glass roving yarns are formed of heat resistant and strong synthetic fibers. In general, aramid yarns or glass roving yarns are formed of fibers chains in which the chain molecules are highly oriented along the fiber axis, so the strength of the chemical bond is very high. The aramid yarns and glass roving yarns provide mechanical strength to encapsulate different components of optical fiber cable 100 in confined space. The sixth layer 118 provides mechanical support and tensile strength to the intrusion proof optical fiber cable 100.
[0051] In general, the sixth layer 118 is formed of aramid yarns. The
aramid yarns are helically applied over the fifth layer 116 throughout the cross section of the intrusion proof optical fiber cable 100. The sixth layer 118 is of circular cross section. The center of circular cross section of the sixth layer 118 lies about the longitudinal axis 128 of the intrusion proof optical fiber cable 100. The sixth layer 118 concentrically surrounds the fifth layer 112 of the intrusion proof
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optical fiber cable 100. The sixth layer 118 concentrically surrounds the fourth layer 114 of the intrusion proof optical fiber cable 100. In an embodiment of the present disclosure, the sixth layer 118 is of any other suitable cross section. In an embodiment of the present disclosure, the sixth layer 118 is formed of any suitable material of the like. The layer of strength yarns of the sixth layer 118 is formed of one of aramid yarns, glass roving yarns, and fiber reinforced plastic. In an embodiment of the present disclosure, the layer of strength yarns of the sixth layer 118 is formed of any suitable material of the like.
[0052] The intrusion proof optical fiber cable 100 includes the
seventh layer 120. The seventh layer 120 circumferentially surrounds the sixth layer 118 of the intrusion proof optical fiber cable 100. The seventh layer 120 is outer most layer of the intrusion proof optical fiber cable 100. The seventh layer 120 circumferentially covers and protects elements of the intrusion proof optical fiber cable 100. The seventh layer 120 lies substantially along entire length of the intrusion proof optical fiber cable 100. The seventh layer 120 is outer most covering sheath of the intrusion proof optical fiber cable 100. In general, outer covering sheath protects optical fiber ribbons from physical damage, harsh environment, water, moisture, dust, external radiations, mechanical forces and harmful UV rays. The seventh layer 120 is circular in cross section. The center of circular cross section of seventh layer 120 lies substantially on the longitudinal axis 128 of the intrusion proof optical fiber cable 100. The seventh layer 120 is concentric to the sixth layer 118 of the intrusion proof optical fiber cable 100. The seventh layer 120 is concentric to the second layer 108 of the intrusion proof optical fiber cable 100. In an embodiment of
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the present disclosure, the seventh layer 120 is of any other suitable cross section of the like.
[0053] The seventh layer 120 is characterized by a thickness. The
thickness of the seventh layer 120 is radial distance between inner surface and outer surface of the seventh layer 120. The thickness of the seventh layer 120 is about 2.0 millimetres. In an embodiment of the present disclosure, the seventh layer 120 has any suitable value of thickness. The seventh layer 120 is characterized by a diameter. The diameter of the seventh layer 120 is the diameter of the outer surface of the seventh layer 120. The seventh layer 120 has a diameter of about 18.6 ± 0.5 millimetres. In an embodiment of the present disclosure, the seventh layer 120 has any other suitable diameter of the like. The seventh layer 120 is formed of high density polyethylene. In general, high density polyethylene is characterized by little branching between molecules, giving it stronger intermolecular forces and tensile strength. High density polyethylene facilitates to provide protection and isolation to various elements of the intrusion proof optical fiber cable 100. The seventh layer 120 is black in colour. In an embodiment of the present disclosure, the seventh layer 120 is of any suitable colour. In an embodiment of the present disclosure, the seventh layer 120 is formed of any other suitable material of the like.
[0054] The intrusion proof optical fiber cable 100 includes a second
plurality of embedded strength ember 122. The intrusion proof optical fiber cable 100 further includes the second plurality of embedded strength member 122. The second plurality of embedded strength member 122 includes two strength members of equal size and
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identical shapes. The two strength members in the second plurality of embedded strength member 122 are embedded in seventh layer 120 diagonally opposite to one another. The two strength members in the second plurality of embedded strength member 122 are are positioned 180 degree apart from each other. The two strength members in the second plurality of embedded strength member 122 lies substantially along entire length of the intrusion proof optical fiber cable 100. In general, strength members are embedded in one or more layers of optical cables to provide mechanical support and tensile strength to optical cables. The two strength members in the second plurality of embedded strength member 122 are substantially equidistant from the longitudinal axis 128 of the intrusion proof optical fiber cable 100. Each of the two strength members in the second plurality of embedded strength member 122 are of circular cross section. The circular cross section of each of the two strength members of the second set off strength members 122 is identical in shape and equal in size.
[0055] Each of the two strength members in the second plurality of
embedded strength member 122 is characterized by a diameter. The diameter of each strength member of the second plurality of embedded strength member 122 is diameter of circular cross section of each of the strength member of the second set of strength member 122. The diameter of each strength member of the second set of strength member 122 is about 1.0 ± 0.1 millimetres. In an embodiment of the present disclosure, each strength member of the second plurality of embedded strength member 122 has any suitable value of the diameter. The two strength members in the second plurality of embedded strength member 122 are formed of fiber reinforced plastic. In an embodiment of the present disclosure, the two strength members
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in the second plurality of embedded strength member 122 are formed of any suitable material.
[0056] Further, the intrusion proof optical fiber cable 100 includes
the first set of ripcords 124. The first set of ripcords 124 includes one or more ripcords. In an embodiment of the present disclosure, the first set of ripcords 124 includes any suitable number of ripcords. The one or more ripcords in the first set of ripcords 124 are positioned below second layer 108 diagonally opposite to one another. The one or more ripcords in the first set of ripcords 124 lies substantially along entire length of the intrusion proof optical fiber cable 100. In general, ripcord facilitates to strip open outer covering layer of an optic cable. Each of the one or more ripcords in the first set of first set of ripcords 124 facilitates in stripping of the second layer 108 of the intrusion proof optical fiber cable 100.
[0057] In addition, the intrusion proof optical fiber cable 100
includes the second set of ripcords 126. The second set of ripcords 126 includes one or more ripcords. In an embodiment of the present disclosure, the second set of ripcords 126 includes any other suitable number of ripcords. The one or more ripcords in the second set of ripcords 126 are positioned below seventh layer 120 diagonally opposite to one another. The one or more ripcords in the second set of ripcords 126 lies substantially along entire length of the intrusion proof optical fiber cable 100. In general, ripcord facilitates to strip open outer covering layer of an optic cable. Each of the one or more ripcords in the first set of second set of ripcords 126 facilitates in stripping of the seventh layer 120 of the intrusion proof optical fiber cable 100.
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[0058] The intrusion proof optical fiber cable 100 is a completely
dry optic cable. The intrusion proof optical fiber cable 100 is a gel free optic cable. The intrusion proof optical fiber cable 100 is a light weight optical cable. The intrusion proof optical fiber cable 100 is characterized by a cable weight. The cable weight of the intrusion proof optical fiber cable 100 lies in a range of about 178 ± 5% kilogram per kilometre. In an embodiment of the present disclosure, the cable weight of the intrusion proof optical fiber cable 100 lies in any other suitable range of the like. The intrusion proof optical fiber cable 100 is small diameter optical cable. The intrusion proof optical fiber cable 100 is characterized by a diameter. The diameter of the intrusion proof optical fiber cable 100 is radial distance between opposite ends of the intrusion proof optical fiber cable 100. The diameter of the intrusion proof optical fiber cable 100is diameter of the outer surface of the seventh layer 120. The diameter of the intrusion proof optical fiber cable 100 lies in a range of about 18.6 ± 0.5 millimetres. In an embodiment of the present disclosure, the diameter of the intrusion proof optical fiber cable 100 lies in any other suitable range of the like. The intrusion proof optical fiber cable 100 includes no filler in the sensory layer.
[0059] Now reference will be made to FIG. 1B. FIG. 1B illustrates
a cross sectional view the intrusion proof optical fiber cable100, in accordance with an embodiment of the present disclosure. In an embodiment of the present disclosure, the intrusion proof optical fiber cable 100 may not include the buffer tube layer 106 (as shown in FIG. 1B). In an embodiment of the present disclosure, some of the components of the intrusion proof optical fiber cable 100 have different dimensions when the intrusion proof optical fiber cable 100
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does not include the buffer tube layer 106. Some of the dimensions and characteristic values of different components are mentioned below. Unless mentioned below the dimensions and characteristic values of components should be taken to be identical to as described in first embodiment. In an embodiment of the present disclosure, the second layer 108 has the inner diameter of about 5.55 ±0.1 millimetres. In another embodiment of the present disclosure, the second layer 108 may have any suitable inner diameter. In an embodiment of the present disclosure, the second layer 108 has the outer diameter of about 8.75 millimetres. In another embodiment of the present disclosure, the second layer 108 may have any suitable outer diameter. In an embodiment of the present disclosure, the second layer 108 has a thickness in a range of 1.5 millimetres to 2 millimetres. In another embodiment of the present disclosure, the second layer 108 has any suitable thickness.
[0060] In an embodiment of the present disclosure, the first layer 104
has the width of about 25 millimetres. In another embodiment of the present disclosure, the first layer 104 may have any suitable width. In an embodiment of the present disclosure, the inner diameter of each of the plurality of sensory buffer tube of the fourth layer 114 is about 1.35 millimetres. In another embodiment of the present disclosure, the plurality of sensory buffer tube of the fourth layer 114 may have any suitable inner diameter. In an embodiment of the present disclosure, the outer diameter of each of the plurality of sensory buffer tube of the fourth layer 114 is about 1.95 millimetres. In another embodiment of the present disclosure, the plurality of sensory buffer tube of the fourth layer 114 may have any suitable outer diameter. In an embodiment of the present disclosure, the fourth layer 114 includes

15 sensory buffer tubes. In another embodiment of the present disclosure, the fourth layer 114 may have any suitable number of sensory buffer tubes. In an embodiment of the present disclosure, the fifth layer 116 has the width of about 46 millimetres. In another embodiment of the present disclosure, the fifth layer 116 may have any suitable width.
[0061] In an embodiment of the present disclosure, the seventh layer
120 has the thickness of about 2.0 millimetres. In another embodiment of the present disclosure, the seventh layer 120 may have any suitable thickness. In an embodiment of the present disclosure, the seventh layer 120 has a diameter of about 17.75 millimetres. In another embodiment of the present disclosure, the seventh layer 120 has any suitable diameter. In an embodiment of the present disclosure, each of the two strength members of the atleast one embedded strength member 110 has the diameter of about 0.7 ±0.1 millimetres. In another embodiment of the present disclosure, each of the two strength members of the atleast one embedded strength member 110 may have any suitable diameter. In an embodiment of the present disclosure, each of the two strength members of the second plurality of embedded strength member 122 has the diameter of about 1.0 ± 0.1 millimetres. In another embodiment of the present disclosure, each of the two strength members of the second plurality of embedded strength member 122 may have any suitable diameter.
[0062] In an embodiment of the present disclosure, the intrusion
proof optical fiber cable 100 has the diameter of about 17.8 ± 0.5 millimetres. In an embodiment of the present disclosure, the intrusion proof optical fiber cable 100 has reduced diameter due to absence of the buffer tube layer 106. In another embodiment of the present

disclosure, the intrusion proof optical fiber cable 100 may have any suitable diameter. In an embodiment of the present disclosure, the intrusion proof optical fiber cable 100 has the cable weight of about 165 ± 5% kilograms per kilometres. In an embodiment of the present disclosure, the intrusion proof optical fiber cable 100 has reduced weight due to absence of the second layer 106. The absence of the second layer optimizes diameter and size of different layers of the intrusion proof optical fiber cable 100 and results in reduced weight of the intrusion proof optical fiber cable 100. In an embodiment of the present disclosure, due to reduced cable weight and reduced cable diameter the intrusion proof optical fiber cable 100 has improved blowing performance. In an embodiment of the present disclosure, due to reduced cable weight and reduced cable diameter the intrusion proof optical fiber cable 100 can be blown into smaller ducts. In another embodiment of the present disclosure, the intrusion proof optical fiber cable 100 may have any suitable weight.
[0063] Now reference will be made to FIG. 1C. FIG. 1C illustrates
a cross sectional view the intrusion proof optical fiber cablelOO, in accordance with another embodiment of the present disclosure. In another embodiment of the present disclosure, the intrusion proof optical fiber cable 100 may include a plurality of micromodules 132 (as shown in FIG. 1C). In an embodiment of the present disclosure, the plurality of micromodules 132 replace the plurality of optical fiber ribbons of FIG. 1A and FIG. IB. The plurality of micromodules 132 encapsulates a plurality of optical fibers 102. In an embodiment of the present disclosure, the intrusion proof optical fiber cablelOO of FIG. 1C includes four micromodules 132. In an embodiment of the present disclosure, each micromodule of the plurality of

micromodules 132 includes 12 optical fibres. In an embodiment of the present disclosure, each of the plurality of micromodules 132 is of circular cross section (as shown in FIG. 1C). In an embodiment of the present disclosure, the intrusion proof optical fiber cable 100 of FIG. 1C may include any suitable number of micromodules and any suitable number of optical fibres in each micromodule. In an embodiment of the present disclosure, the intrusion proof optical fiber cable 100 of FIG. 1C does not include the buffer tube layer 106. In an embodiment of the present disclosure, some of the components of the intrusion proof optical fiber cable 100 have different dimensions when the intrusion proof optical fiber cable 100 does not include the buffer tube layer 106 and includes the plurality of micromodules 132. Some of the dimensions and characteristic values of different components are mentioned below. Unless mentioned below the dimensions and characteristic values of components should be taken to be identical to as described in first embodiment.
[0064] In an embodiment of the present disclosure, the plurality of
micromodules 132 is characterized by an inner diameter and an outer diameter. In an embodiment of the present disclosure, the plurality of micromodules 132 has the inner diameter of about 1.05 millimetres. In another embodiment of the present disclosure, the plurality of micromodules 132 may have any suitable inner diameter. In an embodiment of the present disclosure, the plurality of micromodules 132 has the outer diameter of about 1.30 millimetres. In another embodiment of the present disclosure, the plurality of micromodules 132 may have any suitable outer diameter. In an embodiment of the present disclosure, the first layer 104 has the width of about 14 millimetres. In another embodiment of the present disclosure, the first

layer 104 may have any suitable inner diameter. In an embodiment of the present disclosure, the second layer 108 has the inner diameter of about 4.1 millimetres. In another embodiment of the present disclosure, the second layer 108 may have any suitable inner diameter. In an embodiment of the present disclosure, the second layer 108 has the outer diameter of about 8.1 millimetres. In another embodiment of the present disclosure, the second layer 108 may have any suitable outer diameter.
[0065] In an embodiment of the present disclosure, the first layer 104
has the width of about 14 millimetres. In another embodiment of the present disclosure, the first layer 104 may have any suitable width. In an embodiment of the present disclosure, the inner diameter of each of the plurality of sensory buffer tube of the fourth layer 114 is about 1.35 millimetres. In another embodiment of the present disclosure, the plurality of sensory buffer tube of the fourth layer 114 may have any suitable inner diameter. In an embodiment of the present disclosure, the outer diameter of each of the plurality of sensory buffer tube of the fourth layer 114 is about 1.95 millimetres. In another embodiment of the present disclosure, the plurality of sensory buffer tube of the fourth layer 114 may have any suitable outer diameter. In an embodiment of the present disclosure, the fourth layer 114 includes 15 sensory buffer tubes. In another embodiment of the present disclosure, the fourth layer 114 may have any suitable number of sensory buffer tubes.
[0066] In an embodiment of the present disclosure, the fifth layer
116 has the width of about 44.5 millimetres. In an embodiment of the present disclosure, the fifth layer 116 may have any suitable width. In

an embodiment of the present disclosure, the seventh layer 120 has the thickness of about 2.0 millimetres. In an embodiment of the present disclosure, the seventh layer 120 may have any suitable thickness. In an embodiment of the present disclosure, the seventh layer 120 has a diameter of about 17.1 ± 0.5 millimetres. In another embodiment of the present disclosure, the seventh layer 120 has any suitable diameter. In an embodiment of the present disclosure, each of the two strength members in the atleast one embedded strength member 110 has the diameter of about 1.0 millimetre. In another embodiment of the present disclosure, each of the two strength members in the atleast one embedded strength member 110 may have any suitable diameter. In an embodiment of the present disclosure, each of the two strength members in the second plurality of embedded strength member 122 has the diameter of about 1.0 ± 0.1 millimetres. In another embodiment of the present disclosure, each of the two strength members in the second plurality of embedded strength member 122 may have any suitable diameter.
[0067] In an embodiment of the present disclosure, the intrusion
proof optical fiber cable 100 has the diameter in a range of about 17.1 ± 0.5 millimetres. In an embodiment of the present disclosure, the intrusion proof optical fiber cable 100 has reduced diameter due to presence of micro modules 132. In another embodiment of the present disclosure, the intrusion proof optical fiber cable 100 may have any suitable diameter. In an embodiment of the present disclosure, the intrusion proof optical fiber cable 100 has the cable weight of about 160 ± 5% kilograms per kilometres. In an embodiment of the present disclosure, the intrusion proof optical fiber cable 100 has reduced weight due to presence of micro modules 132. The effective diameter

of micro module bunch will be optimized compared to the ribbon stack of the plurality of optical fiber ribbons. The optimization of effective diameter optimizes diameter and size of different layers of the intrusion proof optical fiber cable 100 and results in reduced weight of the intrusion proof optical fiber cable 100. In another embodiment of the present disclosure, the intrusion proof optical fiber cable 100 may have any suitable weight.
[0068] The intrusion proof optical fiber cable has numerous
advantages over the prior art. The intrusion proof optical fiber cable is intrusion proof optic cable. In addition, the intrusion proof optical fiber cable has a small diameter. Moreover, the intrusion proof optical fiber cable has a reduced weight. The small diameter of the cable enables the easier installation of the intrusion proof optical fiber cable in the small ducts. Further, the small diameter and the reduced weight increases the blowing performance of the intrusion proof optical fiber cable. Furthermore, the intrusion proof optical fiber cable is a gel free optical cable. The construction of optical fiber cable enables reduction in manufacturing time for the intrusion proof optical fiber cable.
[0069] The foregoing descriptions of pre-defined embodiments of
the present technology have been presented for purposes of illustration and description. They are not intended to be exhaustive or to limit the present technology to the precise forms disclosed, and obviously many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the present technology and its practical application, to thereby enable others skilled in the art to best utilize

the present technology and various embodiments with various modifications as are suited to the particular use contemplated. It is understood that various omissions and substitutions of equivalents are contemplated as circumstance may suggest or render expedient, but such are intended to cover the application or implementation without departing from the spirit or scope of the claims of the present technology.

What is claimed is
1. An intrusion proof optical fiber cable (100) comprising:
a plurality of optical fiber (102) lying substantially along a longitudinal axis (128) of the intrusion proof optical fiber cable (100), the longitudinal axis (128) passing through a geometrical center (130) of the intrusion proof optical fiber cable (100);
a first layer (104) surrounding the plurality of optical fiber (102), wherein the first layer (104) is a water blocking layer;
a second layer (108) surrounding the first layer (104), wherein the second layer (108) is a sheathing layer, wherein the second layer (108) comprising atleast one embedded strength member (110);
a fourth layer (114) surrounding the second layer (108) wherein the fourth layer (114) comprises a plurality of buffer tube, wherein each of the plurality of buffer tube enclose at least one optical fiber; and
a seventh layer (120) surrounding the fourth layer (114 ), wherein the seventh layer (120) is a sheathing layer, wherein the intrusion proof optical fiber cable (100) is substantially gel free and completely dry, wherein the intrusion proof optical

fiber cable (100) has substantially no filler in the fourth layer (114).
2. The intrusion proof optical fiber cable (100) as recited in claim 1, further comprising a third layer (112) surrounding the second layer (108), wherein the third layer (112) comprises a plurality of water blocking element, wherein the third layer (112) is formed of one of water blocking tape, water blocking yarns, and water resistant material.
3. The intrusion proof optical fiber cable (100) as recited in claim 1, further comprising a fifth layer (116) surrounding the fourth layer (114), wherein the fifth layer (116) is a water blocking layer, wherein the fifth layer (116) is formed of one of water blocking tape, water blocking yarns, and water resistant material.
4. The intrusion proof optical fiber cable (100) as recited in claim 1, further comprising a sixth layer (118) surrounding a fifth layer (116), wherein the sixth layer (118) is a layer of strength yarns, wherein the layer of strength yarns of the sixth layer (118) is formed of one of aramid yarns, glass roving yarns, basalt fibers, and fiber reinforced plastic.
5. The intrusion proof optical fiber cable (100) as recited in claim 1, wherein the fourth layer (114) comprising a plurality of sensory buffer tube.
6. The intrusion proof optical fiber cable (100) as recited in claim 1, wherein the plurality of optical fiber (102) is positioned as one of
a plurality of optical fiber ribbons, a plurality of loose optical fibers or

a plurality optical fibers encapsulated in a plurality of micromodules (132) or tight buffered fibers.
7. The intrusion proof optical fiber cable (100) as recited in claim 1, wherein the second layer (108) surrounds a buffer tube layer (106), wherein the buffer tube layer (106) is central buffer tube layer positioned concentrically between the first layer (104) and the second layer (108), wherein the buffer tube layer (106) is formed of a material selected from a group A, wherein the group A comprising polypropylene, high density polyethylene, medium density polyethylene.
8. The intrusion proof optical fiber cable (100) as recited in claim 1, further comprising a first set of ripcords (124) and a second set of ripcords (126), wherein the first set of ripcords (124) is positioned below the second layer (108), wherein the second set of ripcords (126) is positioned below the seventh layer (120).
9. The intrusion proof optical fiber cable (100) as recited in claim 1, wherein the second layer (108) is formed of polyolefin material, wherein each of the plurality of buffer tube of the fourth layer (114) is formed of a material selected from a group B, wherein the group B comprising polybutylene terephthalate, polypropylene, high density polyethylene, wherein the seventh layer (120) is formed of high density polyethylene.
10. The intrusion proof optical fiber cable (100) as recited in claim 1, wherein the first layer (104) is formed of one of water blocking tape, water blocking yarns, and water resistant material.

11. The intrusion proof optical fiber cable (100) as recited in claim 1, wherein the atleast one embedded strength member (110) is positioned 180 degree apart from each other.
12. The intrusion proof optical fiber cable (100) as recited in claim 1, wherein the atleast one embedded strength member (110) is formed of one of fiber reinforced plastic, steel wires and aramid material.
13. The intrusion proof optical fiber cable (100) as recited in claim 1, wherein the seventh layer (120) comprises a second plurality of embedded strength member (122), wherein the second plurality of embedded strength member (122) are positioned 180 degree apart from each other.