Optical star-coupler

Details Optical star-coupler Optical star-coupler

1995-06-07

1996-10-22

Ngo, John

Optical waveguides

With optical coupler

Particular coupling structure

385 33, 385 47, 385901, G02B 626

Patent

active

055685803

ABSTRACT:
A light beam from an optical fiber held by waveguide support is guided to an illuminated region of a light-receiving section. A light beam from one light-deflecting device inside this region is reflected by a reflecting surface and passed as a light beam through a second light-deflecting device in another illuminated region to arrive at a second optical fiber. A light beam from the second optical fiber takes the reverse route to the foregoing route. In this way, various light-deflecting devices in one illuminated region are optically coupled to light-deflecting devices in other illuminated regions with substantially equal optical coupling intensity.

REFERENCES:
patent: 3941485 (1976-03-01), Madden
patent: 4179185 (1979-12-01), Hawk
patent: 5442467 (1995-08-01), Silverstein et al.
Oikawa et al; "Optical Tap Array Using Distributed-Index Plannar Microlens"; Electronic Letters (Apr. 1982), vol. 18, No. 8; pp. 316-317.
60-73603 Patent Abstracts of Japan, P-384 Aug. 31, 1985, vol. 9/No. 214.

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