Relationship between the number of fiber tapers and the temperature characteristics of sensing structure

A fiber taper temperature sensing structure based on liquid crystal-filled capillary tube was proposed. The distance of the optical fiber taper was kept at a constant, and the relationship between the temperature sensitivity of the sensing structure and the number of fiber taper was studied. The fib...

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Main Authors: Aimin Cong, Jiuying Wang, Min Li, Yize Hao, Xinyue Pan, Xiaowei Li, Wancang Cao, Hongjuan Li
Format: Article
Language:English
Published: Elsevier 2022-12-01
Series:Results in Optics
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2666950122000955
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author Aimin Cong
Jiuying Wang
Min Li
Yize Hao
Xinyue Pan
Xiaowei Li
Wancang Cao
Hongjuan Li
author_facet Aimin Cong
Jiuying Wang
Min Li
Yize Hao
Xinyue Pan
Xiaowei Li
Wancang Cao
Hongjuan Li
author_sort Aimin Cong
collection DOAJ
description A fiber taper temperature sensing structure based on liquid crystal-filled capillary tube was proposed. The distance of the optical fiber taper was kept at a constant, and the relationship between the temperature sensitivity of the sensing structure and the number of fiber taper was studied. The fiber one-taper, two-tapers and three-tapers were prepared using the fused taper technique, and were embedded in three capillaries filled with the liquid crystal. The light signal was divided into two beams on one side of the fiber taper. Two beams were transmitted forward in the liquid crystal and the fiber taper, then coupled on the other side of fiber taper to form the interference spectrum. The lengths of each taper and the multi-mode optical fiber between two tapers are 625 μm and 280 μm. The sensitivities of the fiber sensors based on one-taper, two-tapers and three-tapers are 181.62 pm/℃, 361.70 pm/℃ and 625.22 pm/℃, respectively. The fiber temperature sensing structure based on the three-tapers has the highest sensitivity.
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spelling doaj.art-41b400da27f44b31a7709bd5493c079c2022-12-22T04:17:34ZengElsevierResults in Optics2666-95012022-12-019100306Relationship between the number of fiber tapers and the temperature characteristics of sensing structureAimin Cong0Jiuying Wang1Min Li2Yize Hao3Xinyue Pan4Xiaowei Li5Wancang Cao6Hongjuan Li7Chifeng College, College of Physics and Intelligent Manufacturing Engineering, Chifeng 024000, ChinaChifeng College, College of Physics and Intelligent Manufacturing Engineering, Chifeng 024000, ChinaCorresponding author.; Chifeng College, College of Physics and Intelligent Manufacturing Engineering, Chifeng 024000, ChinaChifeng College, College of Physics and Intelligent Manufacturing Engineering, Chifeng 024000, ChinaChifeng College, College of Physics and Intelligent Manufacturing Engineering, Chifeng 024000, ChinaChifeng College, College of Physics and Intelligent Manufacturing Engineering, Chifeng 024000, ChinaChifeng College, College of Physics and Intelligent Manufacturing Engineering, Chifeng 024000, ChinaChifeng College, College of Physics and Intelligent Manufacturing Engineering, Chifeng 024000, ChinaA fiber taper temperature sensing structure based on liquid crystal-filled capillary tube was proposed. The distance of the optical fiber taper was kept at a constant, and the relationship between the temperature sensitivity of the sensing structure and the number of fiber taper was studied. The fiber one-taper, two-tapers and three-tapers were prepared using the fused taper technique, and were embedded in three capillaries filled with the liquid crystal. The light signal was divided into two beams on one side of the fiber taper. Two beams were transmitted forward in the liquid crystal and the fiber taper, then coupled on the other side of fiber taper to form the interference spectrum. The lengths of each taper and the multi-mode optical fiber between two tapers are 625 μm and 280 μm. The sensitivities of the fiber sensors based on one-taper, two-tapers and three-tapers are 181.62 pm/℃, 361.70 pm/℃ and 625.22 pm/℃, respectively. The fiber temperature sensing structure based on the three-tapers has the highest sensitivity.http://www.sciencedirect.com/science/article/pii/S2666950122000955Fiber taperLiquid crystalTemperatureSensor
spellingShingle Aimin Cong
Jiuying Wang
Min Li
Yize Hao
Xinyue Pan
Xiaowei Li
Wancang Cao
Hongjuan Li
Relationship between the number of fiber tapers and the temperature characteristics of sensing structure
Results in Optics
Fiber taper
Liquid crystal
Temperature
Sensor
title Relationship between the number of fiber tapers and the temperature characteristics of sensing structure
title_full Relationship between the number of fiber tapers and the temperature characteristics of sensing structure
title_fullStr Relationship between the number of fiber tapers and the temperature characteristics of sensing structure
title_full_unstemmed Relationship between the number of fiber tapers and the temperature characteristics of sensing structure
title_short Relationship between the number of fiber tapers and the temperature characteristics of sensing structure
title_sort relationship between the number of fiber tapers and the temperature characteristics of sensing structure
topic Fiber taper
Liquid crystal
Temperature
Sensor
url http://www.sciencedirect.com/science/article/pii/S2666950122000955
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