Strain gradient chirp of uniform fiber Bragg grating without shift of central Bragg wavelength

被引：29

作者：

Dong, XY ^{[1
]}

Guan, BO

Yuan, SZ

Dong, XY ^{[1
]}

Tam, HY

机构：

[1] Nankai Univ, Inst Modern Opt, Tianjin 300071, Peoples R China

[2] Hong Kong Polytech Univ, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2002年 / 202卷 / 1-3期

关键词：

optical fiber; fiber Bragg grating; strain gradient chirp;

D O I：

10.1016/S0030-4018(02)01082-9

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A novel technique to introduce large linear chirp to an uniform fiber Bragg grating (FBG) is realized by gluing the grating in a slanted direction onto the side face of a simple supported beam. Strain gradient is formed allong the length of the grating when the beam is bent, and produces a linear variation in the grating pitch. This permits a tunable chirp without central wavelength shift. The maximum bandwidth of the chirped FBG produced was 11.32 nm. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：91 / 95

页数：5

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