An optical fiber humidity sensor based on optical absorption

被引：0

作者：

Wang, Biao ^{[1
]}

Zhang, Fujun ^{[1
,2
]}

Pang, Fufei ^{[1
]}

Wang, Tingyun ^{[1
]}

机构：

[1] Shanghai Univ, Sch Commun & Informat Engn, Key Lab Specialty Fiber Opt & Opt Access Networks, 149 Yanchang Rd, Shanghai 200072, Peoples R China

[2] Shandong Univ, Sch Informat Sci & Engn, Jinan 250100, Peoples R China

来源：

2011 ASIA COMMUNICATIONS AND PHOTONICS CONFERENCE AND EXHIBITION (ACP) | 2012年

关键词：

cobalt chloride; sol-gel; spin coating; humidity sensor;

D O I：

暂无

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 simple optical fiber relative humidity (RH) sensor was proposed and demonstrated. The humidity sensor was fabricated by coating moisture-sensitive film on the end face of a multi-mode optical fiber. The film was synthesized by doping CoCl2 into a PY A/SiO2 composite solution. Based on an optical absorption technique, the sensor head was characterized. From the optical absorption, a relative humidity range of 25%similar to 65% was detected. Furthermore, the sensor has good repetitive response, and the response time was less than 2 min.

引用

页数：6

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