High efficiency source coupler for optical waveguide illuminatio

Details High efficiency source coupler for optical waveguide illuminatio High efficiency source coupler for optical waveguide illuminatio

1998-10-08

2000-10-03

Font, Frank G.

Optical waveguides

Miscellaneous

362511, G02B 600, F21V 900

Patent

active

061284319

ABSTRACT:
A fiber optic or optical waveguide illumination system includes a source coupling system. The source coupling system includes an optical channel with an internal cavity. A light source is disposed inside the driving circuit. Coupling losses are minimized by placing the light source within the optical channel. The source cavity and the source optical channel can be shaped to enhance the amount of light captured in the channel by total internal reflection. Multiple light distribution waveguides can be connected to the source coupling channel to produce an illumination system.

REFERENCES:
patent: 4958263 (1990-09-01), Davenport et al.
patent: 5187412 (1993-02-01), El-Hamamsy et al.
patent: 5452186 (1995-09-01), Dassanayake

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