Inline Microfiber Mach-Zehnder Interferometer for High Temperature Sensing

被引：42
|
作者：
Jasim, Ali Abdulhadi [1 ]
Harun, Sulaiman Wadi [1 ,2 ]
Arof, Hamzah [1 ]
Ahmad, Harith [2 ]
机构：
[1] Univ Malaya, Dept Elect Engn, Kuala Lumpur 50603, Malaysia
[2] Univ Malaya, Photon Res Ctr, Kuala Lumpur 50603, Malaysia
来源：
IEEE SENSORS JOURNAL | 2013年 / 13卷 / 02期
关键词：
Flame-brushing technique; high-temperature sensor; inline Mach-Zehnder interferometer (MZI); microfiber; SENSOR;
D O I：
10.1109/JSEN.2012.2224106
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A compact inline microfiber Mach-Zehnder interferometer (MMZI) is proposed for high temperature sensing. The MMZI is fabricated using a flame-brushing technique in which both transition parts of a microfiber are tapered to reduce the waist diameter and form an interference region. Since the refractive index of the fiber core exhibits a different temperature coefficient from that of air, the interferometer is sensitive to temperature variation. The temperature sensitivity of the device with a length of 40 mm was measured to be 13.4 pm/degrees C with an excellent linearity for temperature measurement up to 800 degrees C.
引用
收藏
页码：626 / 628
页数：3
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