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Graphene-assisted high-precision temperature sensing by long-period fiber gratings
Wang, Ruiduo1,2; Ren, Zhaoyu3; Kong, Xudong1,2; Kong, Depeng1; Hu, Baowen1; He, Zhengquan1
作者部门信息光子学研究室
2020-02-16
发表期刊JOURNAL OF PHYSICS D-APPLIED PHYSICS
ISSN0022-3727;1361-6463
卷号53期号:6
产权排序1
摘要

The tapered long-period fiber grating (TLPFG) and rotated chiral long-period fiber gratings (CLPFG) heated by a CO2 laser were fabricated by periodically tapering and rotating standard single-mode fibers (SMF). The temperature sensing characteristics of the TLPFG and CLPFG between 30 degrees C and 60 degrees C were experimentally investigated, and the slopes of the wavelength shift corresponded to 0.115 nm degrees C-1 and 0.04 nm degrees C-1, respectively. The graphene films were coated on gratings to fabricate graphene-coated TLPFG (GTLPFG) and graphene-coated CLPFG (GCLPFG). Given the thermal effects of graphene, the slopes of the resonance dip shift of the GTLPFG and GCLPFG between 30 degrees C and 60 degrees C increased to 0.196 nm degrees C-1 and 0.113 nm degrees C-1, respectively. Additionally, the high temperature sensing properties of TLPFG and CLPFG between 100 degrees C and 1000 degrees C were investigated. The slopes of the higher-order resonance dips of the TLPFG and CLPFG corresponded to 0.119 nm degrees C-1 and 0.09 nm degrees C-1, respectively, during the heating process, and to 0.116 degrees C-1 and 0.09 nm degrees C-1, respectively, during the cooling process. In the low and high temperature zones, the TLPFG exhibited higher sensitivity when compared to that of the CLPFG, while the CLPFG exhibited higher sensing precision with linearity approaching 1. Given the simple and unsophisticated fabrication process and the high quality and sensitivity of the fabricated gratings, the proposed sensors can play an important role in high-precision temperature-sensing applications.

关键词graphene long-period fiber grating temperature sensing
DOI10.1088/1361-6463/ab5498
收录类别SCI
语种英语
WOS记录号WOS:000526829200004
出版者IOP PUBLISHING LTD
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/93411
专题信息光子学研究室
通讯作者He, Zhengquan
作者单位1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Northwest Univ, Inst Photon & Photon Technol, Natl Photoelect Technol & Funct Mat & Applicat In, State Key Lab Incubat Base Photoelect Technol & F, Xian 710069, Peoples R China
推荐引用方式
GB/T 7714
Wang, Ruiduo,Ren, Zhaoyu,Kong, Xudong,et al. Graphene-assisted high-precision temperature sensing by long-period fiber gratings[J]. JOURNAL OF PHYSICS D-APPLIED PHYSICS,2020,53(6).
APA Wang, Ruiduo,Ren, Zhaoyu,Kong, Xudong,Kong, Depeng,Hu, Baowen,&He, Zhengquan.(2020).Graphene-assisted high-precision temperature sensing by long-period fiber gratings.JOURNAL OF PHYSICS D-APPLIED PHYSICS,53(6).
MLA Wang, Ruiduo,et al."Graphene-assisted high-precision temperature sensing by long-period fiber gratings".JOURNAL OF PHYSICS D-APPLIED PHYSICS 53.6(2020).
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