Fiber-based light source device

Details Fiber-based light source device Fiber-based light source device

2006-12-27

2009-06-16

Healy, Brian M (Department: 2883)

Optical waveguides

With optical coupler

Particular coupling structure

C385S115000, C385S116000, C385S901000, C362S551000, C362S555000, C362S561000, C349S005000, C353S031000, C353S034000

Reexamination Certificate

active

07548672

ABSTRACT:
The present invention provides a fiber-based light source device, which includes a plurality of first, second or third light-emitting devices for respectively emitting a plurality of first, second or third lights, a plurality of first, second or third directional couplers for respectively coupling the first, second or third lights in their order so as to generate a first, second or third coupled light, a fourth directional coupler for coupling the first coupled light and the second coupled light so as to generate a fourth coupled light, and a fifth directional coupler for coupling the third coupled light and the fourth coupled light so as to generate an output light source. With coupling light beams from light-emitting devices and switching of those light-emitting devices in a sequential manner, the energy loss could be minimized and good heat dissipation could be obtained.

REFERENCES:
patent: 4620266 (1986-10-01), Baumann et al.
patent: 6224216 (2001-05-01), Parker et al.
patent: 6547400 (2003-04-01), Yokoyama
patent: 6865309 (2005-03-01), Dho
patent: 7131735 (2006-11-01), Yokoyama
patent: 2003/0223046 (2003-12-01), Dho

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