Optical coupler

Details Optical coupler Optical coupler

1974-09-05

1976-08-31

Corbin, John K.

350 96C, G02B 514

Patent

active

039777626

ABSTRACT:
An optical waveguide coupler made by integrated optical circuit techniques is employed to direct light from a document to be copied to a line of photosensors of a large scale integrated photosensor module. A plurality of optical waveguides are spaced widely along the document and closely along the photosensor array. Spaced channels are formed in a higher refractive index glass layer on a glass substrate. The higher index layer glass provides the plurality of optical waveguides separated by the channels.

REFERENCES:
patent: 3141105 (1964-07-01), Courtney-Pratt
patent: 3347649 (1967-10-01), Singer, Jr.
patent: 3498864 (1970-03-01), Ogle
patent: 3621138 (1971-11-01), McNaney
patent: 3719462 (1973-03-01), Andreatch, Jr. et al.
patent: 3728521 (1973-04-01), Borough et al.
patent: 3817730 (1974-06-01), Uchida
goell, "Electron-Resist Fabrication of Bends and Couplers for Integrated Optical Circuits" Applied Optics, vol. 12, No. 4, pp. 729-736, Apr., 1973.

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