Coupler for optical communication system

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350 9624, G02B 516

Patent

active

040920593

ABSTRACT:
A reciprocal coupler for connecting anyone of a plurality of optical signal transmission lines to all the other transmission lines in an optical communication system.
The coupler comprises an elongated transparent optical mixing rod optically coupled by a first endface to each of the waveguides forming the lines to be interconnected and by its second endface to both ends of return guides provided by a fiber bundle which form a loop.

REFERENCES:
patent: 3936141 (1976-02-01), Milton
"The Star Coupler: A Unique Interconnection Component for Multimode Optical Waveguide Communications Systems" by Hudson et al. in Appl. Optics vol. 13, No. 11, Nov. 74, pp. 2540-2545.

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