Bidirectional optical wavelength multiplexer-demultiplexer

作者: Mohamed Gouali , Gerald Roullet , Oliver Voisin

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摘要: A bidirectional optical wavelength multiplexing-demultiplexing device comprises a self-focusing lens having an index gradient and situated between the transmission fibre filtering means of which length is such that spatial separation outgoing wavelengths return maximum, permits decoupling channel from channels.