Method for forming an optical waveguide by selective volatizatio

Details Method for forming an optical waveguide by selective volatizatio Method for forming an optical waveguide by selective volatizatio

1991-09-17

1993-01-12

Lindsay, Robert L.

Glass manufacturing

Processes

With chemically reactive treatment of glass preform

65 311, 65 31, 65111, 65 314, 156663, 2191218, 21912129, 385129, 385130, 427162, 4273752, 427586, 427596, C03C 1500

Patent

active

051786583

ABSTRACT:
A method of forming an optical waveguide which includes the steps of forming on a substrate a waveguide layer including at least one host medium and one dopant medium, one of which is more volatile than the other; and heating the waveguide layer to selectively volatize the more volatile medium along a path, raising the index of refraction and creating a waveguide along the path.

REFERENCES:
patent: 4676820 (1987-06-01), LeSergent et al.
patent: 4756734 (1988-07-01), Kersten et al.
patent: 4765819 (1988-08-01), Kersten et al.
patent: 4886538 (1989-12-01), Mahapatra

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