Laser Beam Amplification Device

Abstract: The present invention relates to a device (10) for amplifying a multi-wavelength laser beam, comprising: a. a first amplifying medium (M1) having a front face (20) and a reflecting rear face (22), which faces are tilted relative to each other by a first non-zero tilt, and b. a second amplifying medium (M2) having a front face (20) capable of receiving the beam (FR1) reflected by the rear face (22) and refracted by the front face (20) of the first amplifying medium (M1), and a reflecting rear face (22), which faces are tilted relative to each other by a second non-zero tilt, the first tilt, the second tilt and the orientation of the second amplifying medium (M2) being such that the sub-beams of each wavelength, which form the output beam (FR2) of the second amplifying medium (M2), are parallel to each other at the output of the second amplifying medium (M2).

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