Process for producing an optical waveguide and the product...

Details Process for producing an optical waveguide and the product... Process for producing an optical waveguide and the product...

G - Physics

02

B

148/3.1

G02B 6/10 (2006.01) C30B 31/04 (2006.01) C30B 33/00 (2006.01) G02B 6/13 (2006.01) G02B 6/134 (2006.01) G02F 1/355 (2006.01)

Patent

CA 1322936

TITLE PROCESS FOR PRODUCING AN OPTICAL WAVEGUIDE AND THE PRODUCT THEREFROM ABSTRACT OF THE DISCLOSURE These is disclosed a process for producing an optical waveguide comprising contacting at least one optically smooth surface of a single crystal of K1-xRbxTiOMO4 wherein x is from 0 to 1 and M is P or As with a specified molten salt of at least one of Rb, Cs and Tl at a temperature of from about 200° C to about 600° C for a time sufficient to increase the surface index of refraction at least about 0.00025 with respect to the index of refraction of the starting crystal, and cooling the resulting crystal. The product made thereby and a waveguide device using the same are also disclosed.

556058

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