Influence of Non-uniform Temperature Field on Spectra of Fibre Bragg Grating |
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| Authors: | ZHOU Yan HE Xing-Fang YUAN Jie YIN Li-Qun FANG Xiao-Yong CAO Mao-Sheng |
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| Institution: | School of Science, Yanshan University, Qinghuangdao 066004School of Information and Engineering, The Central University for Nationalities, Beijing 100081Educational Administration, Hebei Normal University of Science and Technology, Qinghuangdao 066004School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081 |
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| Abstract: | We simulate the spectrum characteristics of fibre Bragg grating (FBG) with non-uniform temperature using the transmission matrix method, and the results are analysed. It is found that firstly the modulated coefficient of average refractive index is a very important parameter that influences the spectrum characteristic of the fibre Bragg grating, and secondly the spectrum curves are different in different temperature fields at the same parameter. Hence, we can determine the metrical temperature by analysing the spectrum of fibre Bragg grating. |
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| Keywords: | 42 81 Qb 42 81 Ht |
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