Receiving system for free-space optical communications

Details Receiving system for free-space optical communications Receiving system for free-space optical communications

H - Electricity

04

B

H04B 10/06 (2006.01) H04B 10/10 (2006.01)

Patent

CA 2300353

An optical receiving system includes a Fresnel lens optically coupled to a detector via a tapered concentrator. The Fresnel lens is adapted to receive an electromagnetic signal and has a Fresnel focal point. The tapered concentrator has a first end surface area larger than a second end surface area. The detector has a sensing surface area oriented to receive the electromagnetic signal emerging from the tapered concentrator.

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