Planar optical waveguides with planar optical elements

Details Planar optical waveguides with planar optical elements Planar optical waveguides with planar optical elements

1992-02-24

1993-10-12

Gonzalez, Frank

Optical waveguides

Planar optical waveguide

385 14, 385 17, 385 47, 385 50, 385130, G02B 610

Patent

active

052533190

ABSTRACT:
A planar optical waveguide comprises a substrate 1, a waveguide core layer 2, at least one planar optical element, wherein said planar optical element comprises at least one optically functional interface 3 which is adjacent to a cavity 4, and an overclad layer 5. The cavity enhances the optical characteristics of the planar optical element because of the substantial difference in the refractive index of the cavity as compared to the refractive index of said waveguide core layer.

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