G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/12 (2006.01) G02B 6/122 (2006.01) B29D 9/00 (1990.01)
Patent
CA 2084530
ABSTRACT A waveguide structure includes a substrate, a waveguide film, and an overlay material in contact with the waveguide film. The overlay material nay also contact the substrate or the film may be disposed between the overlay and the substrate. The overlay material has a higher refractive index than the waveguide so that the ratio of the effective refractive indexes is substantially constant for all propagating modes supported by the waveguide.
Brazas John Charles Jr.
Kohnke Glenn Eric
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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