典型文献
Ultrasensitive liquid level sensor based on slice-shaped composite long period fiber grating
文献摘要：
In this paper,a novel liquid level sensor with ultra-high sensitivity is proposed.The proposed sensor is configured by a slice-shaped composite long period fiber grating[SSC-LPFG].The SSC-LPFG is prepared by polishing two opposite sides of a composite multimode-single-mode-multimode fiber structure using a CO2 laser.The method improves the sensitivity of the sensor to external environment.Based on the simulation calculation,a liquid level sensor with a length of 3 mm is designed.The experimental transmission spectrum agrees well with the simulation result.The experimental results show that the sensitivity reaches 7080 pm/mm in the liquid level range of 0-1400 μm in water.The temperature sensitivity is 24.52 pm/℃ in the range of 20℃-90℃.Due to the ultra-high sensitivity,good linearity,and compact structure,the SSC-LPFG has potential application in the field of high-precision liquid level measurement.
文献关键词：
中图分类号：
作者姓名：
Xiren Jin;Zeju Rui;Zihang Xiang;Chupeng Lu;Shuo Zhang;Xian Xu;Mingyang Lü;Yiwei Ma;Cuiting Sun;Xinghua Yang;Tao Geng;Weimin Sun;Libo Yuan
作者机构：
Key Laboratory of In-fiber Integrated Optics,Ministry of Education,College of Physics and Optoelectronic Engineering,Harbin Engineering University,Harbin 150001,China;Acoustic Science and Technology Laboratory,College of Underwater Acoustic Engineering,Harbin Engineering University,Harbin 150001,China;Photonics Research Center,Guilin University of Electronics Technology,Guilin 541004,China
文献出处：
引用格式：
[1]Xiren Jin;Zeju Rui;Zihang Xiang;Chupeng Lu;Shuo Zhang;Xian Xu;Mingyang Lü;Yiwei Ma;Cuiting Sun;Xinghua Yang;Tao Geng;Weimin Sun;Libo Yuan-.Ultrasensitive liquid level sensor based on slice-shaped composite long period fiber grating)[J].中国光学快报（英文版）,2022(01):37-42
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B类：
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AB值：
0.50427
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