Method of making optical waveguides and product by the process

Details Method of making optical waveguides and product by the process Method of making optical waveguides and product by the process

1975-03-06

1977-07-19

Lusignan, Michael R.

Coating processes

Optical element produced

252 623ZB, 252 629, 252518, 350 96WG, 423593, B05D 506

Patent

active

040370054

ABSTRACT:
An optical waveguide of niobium-doped lithium tantalate single crystal has excellent low loss waveguiding properties with strong electro-optic behavior. The waveguides are made by depositing a film of niobium on a polished lithium tantalate crystal, annealing the crystal so as to diffuse the niobium into the crystal and cooling the crystal.

REFERENCES:
patent: 3417032 (1968-12-01), Bonner et al.
patent: 3785717 (1974-01-01), Cresot et al.
Solid State Abstracts Journal, Abstract 105179S.

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