Twist characteristics of the ultraviolet-written long-period fiber gratings

被引：2
|
作者：
张自嘉
施文康
高侃
方祖捷
机构：
[1] China Academy of Sciences
[2] Department of Information Measurement Technology and Instrument
[3] Lab of Information Optics
[4] Shanghai 200030
[5] Shanghai 201800
[6] Shanghai Institute of Optics and Fine Mechanics
[7] Shanghai Jiaotong University
来源：
Chinese Optics Letters | 2004年 / 10期
关键词：
LPFG; Twist characteristics of the ultraviolet-written long-period fiber gratings;
D O I：
暂无
中图分类号：
TN25 [波导光学与集成光学];
学科分类号：
0702 ; 070207 ;
摘要：
Twist characteristics of the ultraviolet-written long period fiber gratings （UV-LPFGs） are investigated in this paper. It was found experimentally that the resonance wavelength of the UV-LPFG shifts to short side proportional to square of the torsion rate, when it is twisted in both directions of clockwise and counter-clockwise, which is different from that of LPFGs written by CO;lasers, but similar with that of the corrugated LPFGs. The phenomena can be explained by mechanisms of static compression in twisting and index change caused by photo-elastic effect.
引用
收藏
页码：565 / 567
页数：3
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