Method and apparatus for coupling light into a waveguide...

Details Method and apparatus for coupling light into a waveguide... Method and apparatus for coupling light into a waveguide...

2005-12-13

2005-12-13

Doan, Jennifer (Department: 2874)

Optical waveguides

With optical coupler

Input/output coupler

C385S015000

Reexamination Certificate

active

06975792

ABSTRACT:
A method and a corresponding apparatus for side-coupling light into an optical waveguide, such as a double-cladding fiber, are described. The method includes emitting light from a light source and coupling the emitted light into a side of a waveguide that defines a slit disposed on the side of the waveguide at an angle relative to an axis of the waveguide. The emitted light is incident on a surface of the slit and the slit surface reflects the incident light into the waveguide.

REFERENCES:
patent: 5854865 (1998-12-01), Goldberg
patent: 6477295 (2002-11-01), Lang et al.
patent: 6483973 (2002-11-01), Mazzarese et al.
patent: 6603905 (2003-08-01), Ionov
patent: 6704479 (2004-03-01), Koplow
patent: 63135905 (1988-06-01), None
U.S. Appl. No. 60/331,149.

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