Method for irradiating patterns in optical waveguides containing

Details Method for irradiating patterns in optical waveguides containing Method for irradiating patterns in optical waveguides containing

1996-09-09

1999-11-16

Nuzzolillo, Maria

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making named article

G03C 500

Patent

active

059855231

ABSTRACT:
A method and apparatus for establishing predetermined patterns in a selec region of an optical waveguide. A positioning device holds the waveguide proximate a radiation source. The radiation source defines a radiation pattern corresponding to the desired patterns. The resulting radiation patterns induce a loss in the light transmission capability in a portion of the waveguide that contains a radiation sensitive constituent and that the radiation penetrates. Thereafter the optical waveguide ages to reach an equilibrium state. Thereafter, the irradiated areas form the predetermined patterns in the optical waveguide. The patterns may take the form of Bragg gratings in the waveguide.

REFERENCES:
patent: 5061032 (1991-10-01), Meltz et al.
patent: 5627933 (1997-05-01), Ito et al.
patent: 5629998 (1997-05-01), Cook et al.
patent: 5708739 (1998-01-01), Patton

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