Refractive index and temperature-sensing characteristics of a cladding-etched thin core fiber interferometer

Refractive index and temperature-sensing characteristics of a cladding-etched thin core fiber interferometer

A high refractive index (RI) sensor based on an in-line Mach–Zehnder mode interferometer (MZI) is proposed. The sensor was realized by splicing a 2-cm length of cladding-etched thin core fiber (TCF) between two single mode fibers (SMFs). The TCF-structured MZI exhibited good fringe visibility as hig...

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Main Authors: Weiying Wang, Xinran Dong, Dongkai Chu, Youwang Hu, Xiaoyan Sun, Ji-An Duan
Format: Article
Language:English
Published: AIP Publishing LLC 2018-05-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.5021409
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spelling doaj-f4454cda1df54e7eb34c5cc7d0e2cd7f2020-11-24T22:02:59ZengAIP Publishing LLCAIP Advances2158-32262018-05-0185055104055104-810.1063/1.5021409087804ADVRefractive index and temperature-sensing characteristics of a cladding-etched thin core fiber interferometerWeiying Wang0Xinran Dong1Dongkai Chu2Youwang Hu3Xiaoyan Sun4Ji-An Duan5The State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, 932 South Lushan Street, Changsha 410083, ChinaThe State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, 932 South Lushan Street, Changsha 410083, ChinaThe State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, 932 South Lushan Street, Changsha 410083, ChinaThe State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, 932 South Lushan Street, Changsha 410083, ChinaThe State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, 932 South Lushan Street, Changsha 410083, ChinaThe State Key Laboratory of High Performance Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, 932 South Lushan Street, Changsha 410083, ChinaA high refractive index (RI) sensor based on an in-line Mach–Zehnder mode interferometer (MZI) is proposed. The sensor was realized by splicing a 2-cm length of cladding-etched thin core fiber (TCF) between two single mode fibers (SMFs). The TCF-structured MZI exhibited good fringe visibility as high as 15 dB in air and the high RI sensitivity attained a value of 1143.89 nm/RIU at a RI of 1.447. The experimental data revealed that the MZI has high RI sensitivity after HF etching realizing 2599.66 nm/RIU. Studies were performed on the temperature characteristics of the device. It is anticipated that this high RI sensor will be deployed in new and diverse applications in the chemical and biological fields.http://dx.doi.org/10.1063/1.5021409
collection DOAJ
language English
format Article
sources DOAJ
author Weiying Wang
Xinran Dong
Dongkai Chu
Youwang Hu
Xiaoyan Sun
Ji-An Duan
spellingShingle Weiying Wang
Xinran Dong
Dongkai Chu
Youwang Hu
Xiaoyan Sun
Ji-An Duan
Refractive index and temperature-sensing characteristics of a cladding-etched thin core fiber interferometer
AIP Advances
author_facet Weiying Wang
Xinran Dong
Dongkai Chu
Youwang Hu
Xiaoyan Sun
Ji-An Duan
author_sort Weiying Wang
title Refractive index and temperature-sensing characteristics of a cladding-etched thin core fiber interferometer
title_short Refractive index and temperature-sensing characteristics of a cladding-etched thin core fiber interferometer
title_full Refractive index and temperature-sensing characteristics of a cladding-etched thin core fiber interferometer
title_fullStr Refractive index and temperature-sensing characteristics of a cladding-etched thin core fiber interferometer
title_full_unstemmed Refractive index and temperature-sensing characteristics of a cladding-etched thin core fiber interferometer
title_sort refractive index and temperature-sensing characteristics of a cladding-etched thin core fiber interferometer
publisher AIP Publishing LLC
series AIP Advances
issn 2158-3226
publishDate 2018-05-01
description A high refractive index (RI) sensor based on an in-line Mach–Zehnder mode interferometer (MZI) is proposed. The sensor was realized by splicing a 2-cm length of cladding-etched thin core fiber (TCF) between two single mode fibers (SMFs). The TCF-structured MZI exhibited good fringe visibility as high as 15 dB in air and the high RI sensitivity attained a value of 1143.89 nm/RIU at a RI of 1.447. The experimental data revealed that the MZI has high RI sensitivity after HF etching realizing 2599.66 nm/RIU. Studies were performed on the temperature characteristics of the device. It is anticipated that this high RI sensor will be deployed in new and diverse applications in the chemical and biological fields.
url http://dx.doi.org/10.1063/1.5021409
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AT youwanghu refractiveindexandtemperaturesensingcharacteristicsofacladdingetchedthincorefiberinterferometer
AT xiaoyansun refractiveindexandtemperaturesensingcharacteristicsofacladdingetchedthincorefiberinterferometer
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