Process for producing a grating on an optical fiber

Details Process for producing a grating on an optical fiber Process for producing a grating on an optical fiber

1987-04-03

1989-06-27

Arnold, Bruce Y.

350 9631, 35016217, 350 37, G02B 2700, G02B 618

Patent

active

048424056

ABSTRACT:
A method for imparting a diffraction grating into the cladding layer and core layer of small diameter optical fibers consisting of (a) etching a section of an optical fiber to reduce the thickness of the cladding layer of the optical fiber, (b) coating the etched portion of the fiber with a photoresist, exposing the photoresist to produce the diffraction grating pattern using on-axis interferometry using a laser source (d) dissolving the non-exposed photoresist and (e) etching the diffraction grating pattern into the cladding layer and/or core of the optical fiber.

REFERENCES:
patent: 3891302 (1975-06-01), Dabby et al.
patent: 4289381 (1981-09-01), Garvin et al.
patent: 4403827 (1983-09-01), Bryan et al.
patent: 4660934 (1987-04-01), Akiba et al.
patent: 4687286 (1987-08-01), Winful

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