A Low-Cost High-Temperature Sensor Based on Long-Period Fiber/Microfiber Gratings by Local Fictive Temperature Modification

A Low-Cost High-Temperature Sensor Based on Long-Period Fiber/Microfiber Gratings by Local Fictive Temperature Modification

A high temperature-sensitive long-period fiber grating (LPFG) sensor fabricated by the local fictive temperature modification is proposed and demonstrated. High-frequency CO2 laser pulses scan standard single-mode fiber (SMF), and the modification zones extended to the core of SMF. Experimental resu...

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Main Authors: Guorui Zhou, Chuanchao Zhang, Xiufang Xie, Yi Wan, Caizhen Yao, Jun Liu, Longfei Niu, Xinxiang Miao, Hai Zhou, Xiaodong Jiang, Shizhen Xu, Haibing Lv
Format: Article
Language:English
Published: Hindawi Limited 2020-01-01
Series:Journal of Chemistry
Online Access:http://dx.doi.org/10.1155/2020/9076874
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spelling doaj-f8326e19d012485b9b3120ee58d33f132020-11-25T03:20:57ZengHindawi LimitedJournal of Chemistry2090-90632090-90712020-01-01202010.1155/2020/90768749076874A Low-Cost High-Temperature Sensor Based on Long-Period Fiber/Microfiber Gratings by Local Fictive Temperature ModificationGuorui Zhou0Chuanchao Zhang1Xiufang Xie2Yi Wan3Caizhen Yao4Jun Liu5Longfei Niu6Xinxiang Miao7Hai Zhou8Xiaodong Jiang9Shizhen Xu10Haibing Lv11Laser Fusion Research Center, China Academy of Engineering Physics, Mianyang 621900, ChinaLaser Fusion Research Center, China Academy of Engineering Physics, Mianyang 621900, ChinaInstitute of Applied Electronics, China Academy of Engineering Physics, Mianyang 621900, ChinaSchool of Physics, University of Electronic Science and Technology of China, Chengdu 610054, ChinaLaser Fusion Research Center, China Academy of Engineering Physics, Mianyang 621900, ChinaInstitute of Applied Electronics, China Academy of Engineering Physics, Mianyang 621900, ChinaLaser Fusion Research Center, China Academy of Engineering Physics, Mianyang 621900, ChinaLaser Fusion Research Center, China Academy of Engineering Physics, Mianyang 621900, ChinaLaser Fusion Research Center, China Academy of Engineering Physics, Mianyang 621900, ChinaLaser Fusion Research Center, China Academy of Engineering Physics, Mianyang 621900, ChinaSchool of Physics, University of Electronic Science and Technology of China, Chengdu 610054, ChinaLaser Fusion Research Center, China Academy of Engineering Physics, Mianyang 621900, ChinaA high temperature-sensitive long-period fiber grating (LPFG) sensor fabricated by the local fictive temperature modification is proposed and demonstrated. High-frequency CO2 laser pulses scan standard single-mode fiber (SMF), and the modification zones extended to the core of SMF. Experimental results demonstrate that the LPFG temperature sensors with 600 μm grating period and 32 period numbers offer the average sensitivity of 0.084 nm/C in the temperature range of room temperature (RM) to 875°C. The LPFGs fabricated here show exponential change in terms of the spectral wavelength shift versus changes in temperature. In addition, the maximum temperature sensitivity of 0.37 nm/C is achieved by employing long-period microfiber grating (LPMFG), fabricated by the microheater brushing technique and the local fictive temperature modification. LPMFG sensor exhibits better temperature characteristics due to a thinner diameter.http://dx.doi.org/10.1155/2020/9076874
collection DOAJ
language English
format Article
sources DOAJ
author Guorui Zhou
Chuanchao Zhang
Xiufang Xie
Yi Wan
Caizhen Yao
Jun Liu
Longfei Niu
Xinxiang Miao
Hai Zhou
Xiaodong Jiang
Shizhen Xu
Haibing Lv
spellingShingle Guorui Zhou
Chuanchao Zhang
Xiufang Xie
Yi Wan
Caizhen Yao
Jun Liu
Longfei Niu
Xinxiang Miao
Hai Zhou
Xiaodong Jiang
Shizhen Xu
Haibing Lv
A Low-Cost High-Temperature Sensor Based on Long-Period Fiber/Microfiber Gratings by Local Fictive Temperature Modification
Journal of Chemistry
author_facet Guorui Zhou
Chuanchao Zhang
Xiufang Xie
Yi Wan
Caizhen Yao
Jun Liu
Longfei Niu
Xinxiang Miao
Hai Zhou
Xiaodong Jiang
Shizhen Xu
Haibing Lv
author_sort Guorui Zhou
title A Low-Cost High-Temperature Sensor Based on Long-Period Fiber/Microfiber Gratings by Local Fictive Temperature Modification
title_short A Low-Cost High-Temperature Sensor Based on Long-Period Fiber/Microfiber Gratings by Local Fictive Temperature Modification
title_full A Low-Cost High-Temperature Sensor Based on Long-Period Fiber/Microfiber Gratings by Local Fictive Temperature Modification
title_fullStr A Low-Cost High-Temperature Sensor Based on Long-Period Fiber/Microfiber Gratings by Local Fictive Temperature Modification
title_full_unstemmed A Low-Cost High-Temperature Sensor Based on Long-Period Fiber/Microfiber Gratings by Local Fictive Temperature Modification
title_sort low-cost high-temperature sensor based on long-period fiber/microfiber gratings by local fictive temperature modification
publisher Hindawi Limited
series Journal of Chemistry
issn 2090-9063
2090-9071
publishDate 2020-01-01
description A high temperature-sensitive long-period fiber grating (LPFG) sensor fabricated by the local fictive temperature modification is proposed and demonstrated. High-frequency CO2 laser pulses scan standard single-mode fiber (SMF), and the modification zones extended to the core of SMF. Experimental results demonstrate that the LPFG temperature sensors with 600 μm grating period and 32 period numbers offer the average sensitivity of 0.084 nm/C in the temperature range of room temperature (RM) to 875°C. The LPFGs fabricated here show exponential change in terms of the spectral wavelength shift versus changes in temperature. In addition, the maximum temperature sensitivity of 0.37 nm/C is achieved by employing long-period microfiber grating (LPMFG), fabricated by the microheater brushing technique and the local fictive temperature modification. LPMFG sensor exhibits better temperature characteristics due to a thinner diameter.
url http://dx.doi.org/10.1155/2020/9076874
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