Bragg gratings photoinduced in ZBLAN fibers by femtosecond pulses at 800 nm

被引：141

作者：

Bernier, M. ^{[1
]}

Faucher, D. ^{[1
]}

Vallee, R. ^{[1
]}

Saliminia, A. ^{[1
]}

Androz, G. ^{[1
]}

Sheng, Y. ^{[1
]}

Chin, S. L. ^{[1
]}

机构：

[1] Univ Laval, Ctr Opt Photon & Laser, Quebec City, PQ G1K 7P4, Canada

来源：

OPTICS LETTERS | 2007年 / 32卷 / 05期

关键词：

D O I：

10.1364/OL.32.000454

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Fiber Bragg gratings were written in thulium-doped and undoped single-mode ZBLAN fibers by focusing fermosecond laser pulses on the fiber core through a phase mask. Maximum index modulation of the order of 1 X 10(-3) was induced in both types of fibers. Measurements of the transverse refractive index changes across the core and cladding regions indicate that the grating formation originates from a negative index change. (c) 2007 Optical Society of America.

引用

页码：454 / 456

页数：3

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