High Sensitivity Pressure Sensor Based on a Birefringent Microfiber Loop Mirror

被引：2
|
作者：
Jin, Wa [1 ]
Xuan, Haifeng [1 ]
Wang, Chao [1 ]
Jin, Wei [1 ]
机构：
[1] Hong Kong Polytech Univ, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R China
来源：
FOURTH ASIA PACIFIC OPTICAL SENSORS CONFERENCE | 2013年 / 8924卷
关键词：
Birefringent Microfibers; Sagnac loop mirror; optical fiber sensor; pressure sensor; FIBER; STRAIN;
D O I：
10.1117/12.2036196
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
Highly birefringent (Hi-Bi) microfiber-based fiber loop mirrors (FLMs) are studied for gas pressure measurement. A elliptical microfiber is made by tapering a femtosecond laser-processed single mode fiber and demonstrated a very high birefringence of up to 10(-2). The microfiber is housed within a pressure tube with which gas pressure measurement is carried out. The robust microfiber sensor demonstrates a pressure sensitivity of 6 pm/kPa with a temperature cross-sensitivity of less than 0.01 nm/K.
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页数：4
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