Fabrication of optical waveguides

Details Fabrication of optical waveguides Fabrication of optical waveguides

1975-01-13

1978-09-05

Corbin, John K.

G02B 514

Patent

active

041115201

ABSTRACT:
Optical waveguides are fabricated by heating a region of a body of optical material with an energy beam. The region is locally heated to a temperature at which plastic deformation occurs as a result of the constraints placed by the unheated adjacent material. The plastic strain produced at high temperature translates into a residual stress as the material cools which results in a greater index of refraction within the region than in surrounding regions.

REFERENCES:
patent: 3542536 (1970-11-01), Flam et al.
patent: 3809686 (1974-05-01), Chandross et al.
"Fabrication of channel optical waveguides in glass by cw laser heating" by Pavlopoulos and Crabtree, J. App. Phys. vol. 45, No. 11, Nov. 1974.

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