Fiber Mach-Zehnder interferometer based on Multi-mode Fiber and Up-taper for Curvature Sensing applications

被引：0
|
作者：
Mao, Lili [1 ]
Lu, Ping [1 ]
Lao, Zefeng [2 ]
Liu, Deming [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Natl Engn Lab Next Generat Internet Access Syst, Wuhan 430074, Peoples R China
[2] HUST, Coll Elect & Elect Engn, Wuhan 430074, Peoples R China
来源：
FOURTH ASIA PACIFIC OPTICAL SENSORS CONFERENCE | 2013年 / 8924卷
基金：
中国国家自然科学基金;
关键词：
Mach-zehnder interferometer; curvature; fiber sensor; modal interference; up-taper; SENSOR;
D O I：
10.1117/12.2031513
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
A novel curvature sensor comprize a section of multi-mode fiber and a up-taper is proposed and demonstrated experimentally. The whole fabrication process is quite simple and the sensor head is cost effective. Measurement results show that it has a maximum curvature sensitivity of -61.877nm/m(-1) at 1.1718m(-1) and -9.2115nm/m(-1) from 1.1718m-1 to 1.6583m(-1). Temperature sensitivity of 89.01 pm/degrees C within the range of 20 similar to 80 degrees C has also been achieved, which implies the possibility for measurement of temperature. High sensitivity and low-cost make it a preferable candidate for curvature sensing in practical applications.
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页数：4
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