High-temperature sensor using a Fabry-Perot interferometer based on solid-core photonic crystal fiber

被引:36
|
作者
Zhang, Jing [1 ]
Sun, Hao [1 ]
Rong, Qiangzhou [1 ]
Ma, Yue [1 ]
Liang, Lei [1 ]
Xu, Qinfang [1 ]
Zhao, Pei [1 ]
Feng, Zhongyao [1 ]
Hu, Manli [1 ]
Qiao, Xueguang [1 ]
机构
[1] NW Univ Xian, Dept Phys, Xian 710069, Peoples R China
基金
中国国家自然科学基金;
关键词
D O I
10.3788/COL201210.070607
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A micro Fabry-Perot interferometer (M-FPI) is constructed by splicing a short section of polarization-maintaining photonic crystal fiber (PM-PCF) to an end-cleaved single-mode fiber with controllable offset. Due to the high effective optical path difference induced by the solid core of the PCF, the M-FPI has an ultrasmall cavity of approximately 110 mu m. The temperature sensitivity within a range from 33 degrees C to approximately 600 degrees C is measured to be 13.8 pm/degrees C, which shows good agreement with the theoretical result. This proposed sensor has the advantages of ultracompact size and high stability. Therefore, it is suitable for various space-limited sensing applications in harsh environments.
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页数:3
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