Method of fabricating Bragg gratings using a silica glass phase

Details Method of fabricating Bragg gratings using a silica glass phase Method of fabricating Bragg gratings using a silica glass phase

1992-10-29

1994-11-22

Healy, Brian

Optical waveguides

With optical coupler

Input/output coupler

385 14, 385129, 385130, 385147, 359566, 359569, 359573, 359900, 437 4, 437 51, G02B 634, G02B 612, H01L 3118

Patent

active

053675886

ABSTRACT:
An index grating is imprinted in the core of an optical fiber using a specially designed silica glass phase grating mask. The phase mask is held in close proximity to the optical fiber. Laser irradiation of the phase mask with ultraviolet light at normal incidence imprints (photoinduces) into the optical fiber core the interference pattern created by the phase mask.

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