Bragg reflection gratings in optical fibres

Details Bragg reflection gratings in optical fibres Bragg reflection gratings in optical fibres

1995-12-04

1999-09-21

Ullah, Akm E.

Optical waveguides

With optical coupler

Input/output coupler

G02B 634

Patent

active

059564423

ABSTRACT:
Exposure to UV light of a photosensitive optical fiber through a uniform pitch phase grating is employed to write a chirped Bragg reflection grating in that fiber by imparting tensile strain to the fiber while sections of the Bragg reflection grating are sequentially written, and by altering the magnitude of that strain during the writing process.

REFERENCES:
patent: 5309260 (1994-05-01), Mizrahi et al.
patent: 5363239 (1994-11-01), Mizrahi et al.
patent: 5367588 (1994-11-01), Hill et al.
patent: 5420948 (1995-05-01), Byron
patent: 5428695 (1995-06-01), Ohta
Dix, "High accuracy electron-beam grating lithography for optical and optoelectronic devices", J. Vac. Sci. Technol. B., vol. 10, No. 6, pp. 2667-2670, Nov./Dec. 1992.
Martin, "Novel writing technique of long in-fiber Bragg gratings and investigation of the linearly chirped component", CL10 conference, May 11, 1994.

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