Fiber in-line Fabry–Pérot interferometer for simultaneous measurement of reflective index and temperature

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英文篇名：Fiber in-line Fabry–Pérot interferometer for simultaneous measurement of reflective index and temperature 作者：倪小琦 ; 王鸣 ; 郭冬梅 英文作者：Xiaoqi Ni;Ming Wang;Dongmei Guo;Jiangsu Key Laboratory on Opto-Electronic Technology,School of Physical Science and Technology,Nanjing Normal University; 中文刊名：GXKB 英文刊名：中国光学快报(英文版) 机构：Jiangsu Key Laboratory on Opto-Electronic Technology,School of Physical Science and Technology,Nanjing Normal University; 出版日期：2016-05-10 出版单位：Chinese Optics Letters 年：2016 期：v.14 基金：supported by the National Natural Science Foundation of China(Nos.61178044 and 51405240);; the Natural Science Foundation of Jiangsu Province of China(No.BK20140925);; the Major Project of the Nature Science Research for Colleges and Universities in Jiangsu Province(No.15KJA140002);; the Program of Natural Science Research of the Jiangsu Higher Education Institutions of China(No.14KJB510015);; the University Postgraduate Research and Innovation Project of Jiangsu Province(No.1812000002A422) 语种：英文; 页：GXKB201605001 页数：5 CN：05 ISSN：31-1890/O4 分类号：5-9

摘要

A fiber in-line Fabry–Pérot interferometer is presented. The sensing head consists of a micro ellipsoidal air cavity and a small section of solid-core photonic crystal fiber. The reflective index(RI) and temperature can be interrogated simultaneously through a fast Fourier transform and by tracing the dip wavelength shift of the reflective spectrum. Experimental results show that the RI amplitude and wavelength sensitivities are 5.30/RIU and 8.46 × 10~(-1)nm∕RIU in the range from 1.34 to 1.43,and the temperature amplitude and wavelength sensitivities are 6.8×10~(-4)∕°C and 2.48×10~(-3)nm∕°C in the range from 15°C to 75°C,respectively. Easy fabrication,a simple system,and simultaneous measurement make it appropriate for dual-parameter sensing application.
        A fiber in-line Fabry–Pérot interferometer is presented. The sensing head consists of a micro ellipsoidal air cavity and a small section of solid-core photonic crystal fiber. The reflective index(RI) and temperature can be interrogated simultaneously through a fast Fourier transform and by tracing the dip wavelength shift of the reflective spectrum. Experimental results show that the RI amplitude and wavelength sensitivities are 5.30/RIU and 8.46 × 10~(-1)nm∕RIU in the range from 1.34 to 1.43,and the temperature amplitude and wavelength sensitivities are 6.8×10~(-4)∕°C and 2.48×10~(-3)nm∕°C in the range from 15°C to 75°C,respectively. Easy fabrication,a simple system,and simultaneous measurement make it appropriate for dual-parameter sensing application.

引文

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