Strain and temperature sensitivity of chiral long period fiber gratings

被引：0
|
作者：
Xu, Hua-Xing [1 ]
Yang, Li [1 ]
机构：
[1] Univ Sci & Technol China, Dept Elect Engn & Informat Sci, Hefei 230027, Anhui, Peoples R China
来源：
22ND INTERNATIONAL CONFERENCE ON OPTICAL FIBER SENSORS, PTS 1-3 | 2012年 / 8421卷
关键词：
optical fiber sensing; chiral long period fiber gratings; strain sensitivity; temperature sensitivity; OPTICAL-FIBERS;
D O I：
10.1117/12.975261
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
Mode couplings of the core modes to cladding modes with both lower and higher angular orders in chiral long period gratings (CLPGs) are analyzed. The sensing sensitivity of the resonant wavelength in response to strain and temperature are demonstrated, respectively. Both single- and double-helix CLPGs formed by silica and polymer fiber are considered. This provides useful guidance for practical designs of CLPGs to enhance the optical sensing sensitivity of the strain and temperature, or to decrease the environmental influence on spectral characteristics of CLPGs.
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页数：4
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