Optical star coupler

Details Optical star coupler Optical star coupler

1996-01-29

1997-02-11

Ngo, John

Optical waveguides

With optical coupler

Particular coupling structure

385 33, 385 47, G02B 626

Patent

active

056029500

ABSTRACT:
A light beam from an optical fiber held by a 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 strength. Further for equalizing light-beam intensities and minimizing optical dispersion loss, lenses may be included with the light-deflecting devices.

REFERENCES:
patent: 4179185 (1979-12-01), Hawk
patent: 5412506 (1995-05-01), Feldblum et al.
patent: 5477384 (1995-12-01), Nishikawa et al.

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