Integrated optical waveguide having a filter

Details Integrated optical waveguide having a filter Integrated optical waveguide having a filter

1975-08-15

1977-02-08

Corbin, John K.

350 96WG, 350152, 350155, G02b 514, G02B 530

Patent

active

040069648

ABSTRACT:
An integrated optical waveguide has a first waveguide portion with a tapered terminus which directs the light carried therein into a multiple, high-and low-refractive layered filter system for spectrum or polarization filtration. A second optical waveguide portion has a tapered origin spaced closely adjacent the tapered terminus of the first portion on the topmost filter layer to pick up and transmit light from the filter. Effective indices of refraction of the integrated waveguides are greater than the index of refraction of the adjoining topmost layer of the filter for wave lengths of desired light.

REFERENCES:
patent: 3905676 (1975-09-01), Ulrich

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