An in-line Mach-Zehnder interferometer temperature sensor based on cladding-etched quartz specialty fiber

被引：1

作者：

Fu, Xinghu ^{[1
,2
]}

Ji, Yixiao ^{[1
]}

Wu, Chanyuan ^{[1
]}

Zeng, Xianjiao ^{[1
]}

Zhang, Chenyu ^{[1
]}

Xie, Haiyang ^{[1
]}

Yang, Chuanqing ^{[1
]}

Bi, Weihong ^{[1
,2
]}

机构：

[1] Yanshan Univ, Sch Informat Sci & Engn, Qinhuangdao 066004, Peoples R China

[2] Key Lab Special Fiber & Fiber Sensor Hebei Prov, Qinhuangdao 066004, Peoples R China

来源：

2015 INTERNATIONAL CONFERENCE ON OPTICAL INSTRUMENTS AND TECHNOLOGY: OPTICAL SENSORS AND APPLICATIONS | 2015年 / 9620卷

关键词：

Quartz specialty fiber; cladding-etched; temperature sensor; Mach-Zehnder interferometer; REFRACTIVE-INDEX SENSOR; ABRUPT TAPER; STRAIN;

D O I：

10.1117/12.2193355

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：

An in-line Mach-Zehnder interferometer temperature sensor is proposed based on cladding-etched quartz specialty fiber. For different etching depth for the outer cladding of quartz specialty fiber, the relationship between transmission spectrum and temperature is analyzed, respectively. Experimental results show that the interference spectrums shift with the temperature changing. The peaks and valleys of spectrum have a red shift as temperature increasing. The temperature sensitivity can be up to 62.89pm/degrees C in 25-90 degrees C. Thus, this temperature sensor is low-cost, easy to be fabricated and high sensitivity, so it can be used in industrial production, biomedicine, aerospace and power electronics.

引用

页数：6

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