Optical waveguide, light source module, and optical...

Details Optical waveguide, light source module, and optical... Optical waveguide, light source module, and optical...

2006-10-03

2006-10-03

Lee, John D. (Department: 2874)

Optical waveguides

Planar optical waveguide

C385S130000, C385S140000

Reexamination Certificate

active

07116879

ABSTRACT:
The present invention is to provide an optical waveguide capable of allowing a desired incident light to efficiently propagate towards the light emission side and to emit therefrom, and capable of preventing unnecessary incident light from propagating, and in providing a light source module and an optical information processing apparatus using the optical waveguide. The optical waveguide comprises a bonded member of a substrate, a core layer and cladding layers, configured to introduce an incident line coming into the core layer toward a light emission side thereof. A metal layer for preventing the incident light coming into the cladding layer from propagating to the light emission side is formed in a pattern intercepting a sectional plane of light transmission of said cladding layer.

REFERENCES:
patent: 6321007 (2001-11-01), Sanders
patent: 6724140 (2004-04-01), Araki
patent: 6895135 (2005-05-01), Kaneko et al.
patent: 2002/0118907 (2002-08-01), Sugama et al.
patent: 2005/0008317 (2005-01-01), Kuramoto et al.

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