Apparatus and process for making fiber optic bragg gratings

Details Apparatus and process for making fiber optic bragg gratings Apparatus and process for making fiber optic bragg gratings

1996-03-05

1998-01-13

Palmer, Phan T. H.

Optical waveguides

With optical coupler

Input/output coupler

385 10, 372106, 359566, G02B 634

Patent

active

057087385

ABSTRACT:
At least a part of a first coherent beam of monochromatic light is incident bliquely on the reflecting surface of a mirror to produce a reflected beam in a direction different from that of the first beam. An interference pattern is produced within a volume defined by the intersection of the reflected beam with the first beam. A part of an optical fiber is positioned in the volume containing the interference pattern, and a grating is photo-induced in the optical fiber by exposure of the optical fiber to the interference pattern. A desired Bragg period in the grating can be selected by tilting the mirror to change the interference pattern.

REFERENCES:
patent: 5066133 (1991-11-01), Brienza
patent: 5327515 (1994-07-01), Anderson et al.
patent: 5384884 (1995-01-01), Kashyap et al.

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