Optical waveguide device

Details Optical waveguide device Optical waveguide device

1989-04-14

1990-06-12

Sikes, William L.

350 9611, 350 9612, 350 9615, 350 9618, 350 9634, G02B 634

Patent

active

049327437

ABSTRACT:
An optical waveguide device which comprises a substrate, an optical waveguide layer formed on the substrate, a gap adjusting layer formed on the optical waveguide layer, a metallic layer formed on the gap adjusting layer to partly cover the gap adjusting layer and having an opening therein, a dielectric adhesive layer disposed in contact with the gap adjusting layer through the opening of the metallic layer, and a dielectric prism disposed on the adhesive layer. The gap adjusting layer has an index of refraction which is lower than that of the optical waveguide layer. An incident light passes through the opeining of the metallic layer. The dielectric adhesive layer has an index of refraction which is higher than that of the optical waveguide layer. The dielectric prism has an index of refraction which is higher than that of the optical waveguide layer.

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