High-temperature sensor based on an abrupt-taper Michelson interferometer in single-mode fiber

被引：54
|
作者：
Xu, Le [1 ]
Jiang, Lan [1 ]
Wang, Sumei [1 ]
Li, Benye [1 ]
Lu, Yongfeng [2 ]
机构：
[1] Beijing Inst Technol, Sch Mech Engn, NanoMfg Fundamental Res Joint Lab Natl Sci Fdn Ch, Beijing 100081, Peoples R China
[2] Univ Nebraska, Dept Elect Engn, Lincoln, NE 68588 USA
来源：
APPLIED OPTICS | 2013年 / 52卷 / 10期
基金：
中国国家自然科学基金;
关键词：
MACH-ZEHNDER INTERFEROMETER; REFRACTIVE-INDEX SENSOR; HIGH-SENSITIVITY; LASER SENSORS; GRATINGS;
D O I：
10.1364/AO.52.002038
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This study proposes a high-temperature sensor based on an abrupt fiber-taper Michelson interferometer (FTMI) in single-mode fiber fabricated by a fiber-taper machine and electric-arc discharge. The proposed FTMI is applied to measure temperature and refractive index (RI). A high temperature sensitivity of 118.6 pm/degrees C is obtained in the temperature range of 500 degrees C-800 degrees C. The wavelength variation is only -0.335 nm for the maximum attenuation peak, with the external RI changed from 1.333 to 1.3902, which is desirable for high-temperature sensing to eliminate the cross sensitivity to RI. (C) 2013 Optical Society of America
引用
收藏
页码：2038 / 2041
页数：4
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