Temperature Sensor Based on Low-Birefringence Photonic Crystal Fiber Sagnac Interferometer

被引：0
|
作者：
Gong, Huaping [1 ]
Chan, Chichiu [2 ]
Chen, Lihan [2 ]
Jin, Yongxing [1 ]
Dong, Xinyong [1 ]
机构：
[1] China Jiliang Univ, Inst Optoelect Technol, Hangzhou 310018, Zhejiang, Peoples R China
[2] Nanyang Technol Univ, Sch Chem & Biol Engn, Singapore 639798, Singapore
来源：
ADVANCED SENSOR SYSTEMS AND APPLICATIONS IV | 2010年 / 7853卷
关键词：
optical fiber sensor; Sagnac loop; temperature sensor; photonic crystal fiber; LOOP MIRROR; STRAIN;
D O I：
10.1117/12.869761
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
A fiber optic temperature sensor realized by low-birefringence photonic crystal fiber (PCF) based Sagnac loop is demonstrated. Due to the low birefringence of this PCF, only one dip appears in the spectrum when an amplified spontaneous emission (ASE) light source is used. The sensitivity of the temperature measurement of -0.123nm/degrees C is achieved in the range of 25 degrees C-85 degrees C, and the temperature resolution limited by the 20pm wavelength resolution of the OSA is about 0.16 degrees C.
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页数：6
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