Long period fibre gratings for structural bend sensing

被引：198
|
作者：
Patrick, HJ
Chang, CC
Vohra, ST
机构：
[1] USN, Res Lab, Opt Tech Branch, Washington, DC 20375 USA
[2] Univ Res Fdn, Greenbelt, MD 20770 USA
来源：
ELECTRONICS LETTERS | 1998年 / 34卷 / 18期
关键词：
D O I：
10.1049/el:19981237
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The authors examine the changes in wavelength and attenuation of long period fibre gratings subjected to bends with curvatures from 0 to 4.4m(-1). The wavelength change with curvature is nonlinear, with a projected minimum detectable curvature change of 2 x 10(-3)m(-1). The magnitude of the bend-induced wavelength shift depends on the rotation of the cylindrical fibre relative to the bending plane.
引用
收藏
页码：1773 / 1775
页数：3
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