Optical waveguides – Planar optical waveguide
Reexamination Certificate
2007-07-02
2009-02-24
Doan, Jennifer (Department: 2874)
Optical waveguides
Planar optical waveguide
C385S130000, C385S131000, C385S132000
Reexamination Certificate
active
07496264
ABSTRACT:
An optical waveguide includes a linear metallic thin film having a light delivering unit coupled to one end thereof, through which light is incident; and at least more than two dielectric layers surrounding the metallic thin film. In the optical waveguide, an effective refractive index and a propagation loss in the metallic thin film is reduced so that long-range light transmission is realized. Further, a loss of light caused by the coupling to optical fiber, which is coupled to one end of the metallic thin film, is simultaneously reduced.
REFERENCES:
patent: 6442321 (2002-08-01), Berini
patent: 6801691 (2004-10-01), Berini
Joung Il-Kweon
Jung Soo-Jin
Koo Won-Hoe
Lee Gwan-Su
Shin Dong-Ho
Doan Jennifer
Lowe Hauptman Ham & Berner
Samsung Electro-Mechanics Co. Ltd.
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