Simultaneous measurement of temperature and humidity based on spherical structure optical fiber interferometer

被引：3
|
作者：
Li, Jia-xin [1 ]
Tong, Zheng-rong [1 ]
Zhao, Xu-dong [1 ]
Zhang, Wei-hua [1 ]
Qin, Juan [1 ]
机构：
[1] Tianjin Univ Technol, Engn Res Ctr Optoelect Devices & Commun Technol, Tianjin Key Lab Film Elect & Commun Devices, Minist Educ,Sch Elect & Elect Engn, Tianjin 300384, Peoples R China
来源：
OPTOELECTRONICS LETTERS | 2020年 / 16卷 / 04期
关键词：
SENSOR; SENSITIVITY;
D O I：
10.1007/s11801-020-9144-8
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A Mach-Zehnder interferometer (WI) based on two spherical structures is proposed and temperature and humidity are measured simultaneously. The device is fabricated by inserting two spherical structures into a single mode optical fiber (SMF). The results of the experiment indicate that the temperature sensitivities are 0.079 nm/degrees C and 0.090 nmPC from 10 degrees C to 60 degrees C, respectively. When the humidity changes from 30% to 70%, the humidity sensitivities are 0.148 nm/%RH and 0.06 nm/%RH, respectively. Therefore, temperature and humidity are measured simultaneously by the sensitive matrix. The new structure is demonstrated to be a particularly useful approach to detect temperature and humidity.
引用
收藏
页码：256 / 261
页数：6
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