Optical isolation device for multiplexing or demultiplexing wave

Details Optical isolation device for multiplexing or demultiplexing wave Optical isolation device for multiplexing or demultiplexing wave

1983-07-15

1987-03-17

Orsino, Jr., Joseph A.

Multiplex communications

Wide area network

Packet switching

350 9618, H04B 900

Patent

active

046513159

ABSTRACT:
Optical isolation device intended to be used at one end of an optical transmission fiber (1) to introduce therein a light from a nearby emitter and to extract therefrom and to separate lights originating from emitters placed at the other end of the fiber (1). The device comprises two optical media separated by a filter mirror (8), the emitter-fiber link (2-1) being produced in one of the media (6), the separation and the collection by the receivers (3, 4) being produced in the other of the media (7). The invention applies to telecommunications using optical fibers.

REFERENCES:
patent: 4244045 (1981-01-01), Nosu et al.
patent: 4441784 (1984-04-01), Korth
patent: 4474424 (1984-10-01), Wagner
patent: 4479697 (1984-10-01), Kapany et al.
Tanaka et al.,-Optical-Multi/Demultiplexer--Nat. Tech. Report vol. 27, No. 5, Oct. 1981 pp. 735-743.

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