Compact wavelength multiplexer-demultiplexer with variable filtr

Details Compact wavelength multiplexer-demultiplexer with variable filtr Compact wavelength multiplexer-demultiplexer with variable filtr

1983-07-15

1987-06-23

Orsino, Jr., Joseph A.

Multiplex communications

Wide area network

Packet switching

350 9615, 350 9618, 350 9619, H04B 900, H04J 100

Patent

active

046758607

ABSTRACT:
Multiplexer-demultiplexer device for wavelengths in an optical transmission fiber (6) for introducing therein a wavelength from an emitter (18) and for extracting wavelengths therefrom towards receivers (19), comprising several spherical mirrors (13-14) at least one of which (3) is a selective mirror with dielectric layers, selected to segregate by transmission or reflection a band containing only one of the wavelengths transmitted, or to be transmitted, by the fiber (6). The invention applies to telecommunications employing optical fibers.

REFERENCES:
patent: 4244045 (1981-01-01), Nosu et al.
patent: 4449782 (1984-05-01), Korth
patent: 4474424 (1984-10-01), Wagner
patent: 4479697 (1984-10-01), Kapany et al.
Soares--Self Imaging Devices--SPIE vol. 213, Optics and Photonics Applied to Comm & Proc. 1979, pp. 40-43.

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