Bidirectional optical transmission and reception arrangement

Details Bidirectional optical transmission and reception arrangement Bidirectional optical transmission and reception arrangement

1994-04-19

1995-05-16

Moore, David K.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359152, 359131, 359163, 385 24, 385 33, H04B 1024, H04B 1000, H04J 1402

Patent

active

054166241

ABSTRACT:
A compact bidirectional transmission and reception arrangement has a planar convex lens having a separate filter on a planar surface of the lens. The lens is positioned between a transmitter and a receiver. The filter is not transmissive to a first wavelength emitted by the transmitter but is transmissive to a second wavelength which is received by the receiver. The lens and transmitter and receiver are arranged so that light of the first wavelength emitted by the transmitter is reflected by the planar surface of the lens to a spot and light coming from the spot will be passed through the lens to a window of the receiver.

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