Power equalizing multiport optical coupler

Details Power equalizing multiport optical coupler Power equalizing multiport optical coupler

1978-05-26

1980-04-15

Levy, Stewart J.

350 9615, 350 9618, G02B 516

Patent

active

041981189

ABSTRACT:
An apparatus for controlling the attenuation of optical coupling between remote terminals or ports on the same optical coupler. The attenuator employed is a partially reflecting mirrored surface located on the end of a mixing block with a portion of one surface of the mirror coated with an attenuation material. In an alternate embodiment, the attenuator is a mirrored surface separated from a mixing rod by a selectively variable distance.

REFERENCES:
patent: 2981826 (1961-04-01), Mattern
patent: 3780295 (1973-12-01), Kapron et al.
patent: 3874780 (1975-04-01), Love
patent: 3883217 (1975-05-01), Love et al.
patent: 3936141 (1976-02-01), Milton
patent: 4021099 (1977-05-01), Kawasaki et al.

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