Post chemical etching of tapered seven-core fiber sensor for enhanced figure of merit

被引：2

作者：

Tian, Zhen ^{[1
,2
]}

Yao, Yicun ^{[2
]}

Yuan, Jinhui ^{[1
,3
]}

Zhang, Liqiang ^{[2
]}

Chen, Nan-kuang ^{[2
]}

Zhang, Yanqing ^{[2
]}

Wang, Minghong ^{[2
]}

Wu, Qiang ^{[1
,4
,5
]}

机构：

[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100000, Peoples R China

[2] Liaocheng Univ, Sch Phys Sci & Informat Technol, Liaocheng 252000, Peoples R China

[3] Univ Sci & Technol Beijing, Res Ctr Convergence Networks & Ubiquitous Serv, Beijing 100083, Peoples R China

[4] Nanchang Hangkong Univ, Key Lab Optoelect Informat Sci & Technol Jiangxi P, Nanchang, Peoples R China

[5] Northumbria Univ, Fac Engn & Environm, Newcastle Upon Tyne NE1 8ST, England

来源：

OPTICS LETTERS | 2022年 / 47卷 / 18期

基金：

中国国家自然科学基金;

关键词：

SURFACE-PLASMON-RESONANCE; HIGH-SENSITIVITY; INTERFEROMETER;

D O I：

10.1364/OL.469107

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A post chemical etching process to a tapered seven-core fiber (TSCF) is proposed and experimentally demonstrated to effectively adjust the mode profiles of high-order super -modes, aimed to improve the figure of merit (FOM). The experimental results show that the FOM of an etched TSCF is as high as 1431.36 1/RIU, a 7.32-times enhancement com-pared with that of TSCF without etching, provided the TSCF has the same taper waist diameter of 19.20 mu m. The proposed method opens a new, to the best of our knowledge, method for optimizing optical fiber sensor performance. (c) 2022 Optica Publishing Group

引用

页码：4672 / 4675

页数：4

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