Simultaneous measurement of temperature and strain using dual long-period fiber gratings with controlled temperature and strain sensitivities

被引：137
|
作者：
Han, YG [1 ]
Lee, SB
机构：
[1] Korea Inst Sci & Technol, Photon Res Ctr, Seoul 136791, South Korea
[2] Johns Hopkins Univ, Dept Elect & Comp Engn, Baltimore, MD 21218 USA
[3] Kwangju Inst Sci & Technol, Dept Informat & Commun, Kwangju 500712, South Korea
来源：
OPTICS EXPRESS | 2003年 / 11卷 / 05期
关键词：
D O I：
10.1364/OE.11.000476
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Unambiguous simultaneous measurement of strain and temperature based on dual long-period fiber gratings by controlling their thermal and strain sensitivities is proposed and experimentally demonstrated. The difference in the wavelength peak shift and the separation with the variation of strain and temperature allows discrimination between the strain and temperature effects, respectively. (C) 2003 Optical Society of America
引用
收藏
页码：476 / 481
页数：6
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