Frequency Selective Reflector

Abstract: The present disclosure provides a frequency-selective reflector that reflects electromagnetic waves of a specific frequency band which is greater than or equal to 24 GHz, in a direction differing from the regular reflection direction, said frequency-selective reflector having: a reflection member that reflects the electromagnetic waves; and a dielectric layer that is positioned on the electromagnetic wave incidence side of the reflection member, and transmits the electromagnetic waves, wherein the dielectric layer has two or more types of thickness, and has a plurality of first regions in which the thickness is thin and a plurality of second regions in which the thickness is thick.

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