Cascaded multiple Fabry-Perot interferometers fabricated in no-core fiber with a waveguide for high-temperature sensing

被引：25
|
作者：
Wang, Qiaohan [1 ]
Zhang, Hua [1 ]
Wang, D. N. [1 ]
机构：
[1] China Jiliang Univ, Coll Opt & Elect Technol, Hangzhou, Zhejiang, Peoples R China
来源：
OPTICS LETTERS | 2019年 / 44卷 / 21期
基金：
中国国家自然科学基金;
关键词：
MICHELSON INTERFEROMETER; SENSOR;
D O I：
10.1364/OL.44.005145
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An optical fiber high-temperature sensor is proposed and demonstrated by use of cascaded multiple Fabry-Perot interferometers in no-core fiber with a waveguide fabricated by femtosecond laser pulse inscription. The device can sustain the high temperature up to 1100 degrees C, and the temperature sensitivity obtained is 8.9 pm/degrees C within the temperature range 100 degrees C-400 degrees C, and 16.36 pm/degrees C within the temperature range 400 degrees C-1100 degrees C, respectively. Such a no-core fiber-based device can be fabricated in a simple way and operated reliably, which makes it attractive for extreme environment monitoring. (C) 2019 Optical Society of America
引用
收藏
页码：5145 / 5148
页数：4
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