Optimized design of an ultrasensitive tapered dual-hole fiber gas pressure sensor operating near the dispersion turning point

被引：2

作者：

Wang, Xinyu ^{[1
]}

Ling, Qiang ^{[1
]}

Luo, Si ^{[1
]}

Tao, Jihong ^{[1
]}

Cai, Mingda ^{[1
]}

Yu, Zhangwei ^{[1
]}

Chen, Daru ^{[1
]}

机构：

[1] Zhejiang Normal Univ, Hangzhou Inst Adv Studies, Hangzhou 311231, Peoples R China

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2022年 / 39卷 / 09期

关键词：

HIGH-SENSITIVITY; HIGH-TEMPERATURE; CAVITY;

D O I：

10.1364/JOSAB.460139

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An ultrasensitive gas pressure sensor based on a tapered dual-hole fiber working near the dispersion turning point is proposed. The gas pressure sensing characteristics and optimization method are investigated. The fiber structural parameters have been optimized to obtain the maximal sensitivity of the dual-peak interval up to 251.72 nm/MPa with a linearity of 98.3% in the pressure range from 0.1 to 0.6 MPa. The sensitivity is at least 1 order of magnitude higher than that of theMach-Zehnder-interference-based gas pressure sensor. Therefore, the high sensitivity, good linearity, and the compact size make the proposed sensor more competitive in the field of gas pressure monitoring. (c) 2022 Optica Publishing Group

引用

页码：2415 / 2420

页数：6

共 27 条

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