Bidirectional optical wavelength multiplexer- demultiplexer

Details Bidirectional optical wavelength multiplexer- demultiplexer Bidirectional optical wavelength multiplexer- demultiplexer

H - Electricity

04

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88/97.2, 363/1.8

H04J 1/02 (2006.01) G02B 6/34 (2006.01) H04B 10/24 (2006.01) H04J 14/02 (2006.01)

Patent

CA 1225175

BIDIRECTIONAL OPTICAL WAVELENGTH MULTIPLEXER- DEMULTIPLEXER ABSTRACT OF THE DISCLOSURE A bidirectional optical wavelength multiplexing- demultiplexing device comprises a self-focusing lens having an index gradient and situated between the transmission fibre and filtering means and of which the length is such that the spatial separation between the outgoing wavelengths and the return wavelength is maximum, which permits decoupling of the return channel from the outgoing channels. -1-

465054

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