Interferometric high temperature sensor using suspended-core optical fibers

被引：58

作者：

Linh Viet Nguyen ^{[1
,2
]}

Warren-Smith, Stephen C. ^{[1
,2
,3
]}

Ebendorff-Heidepriem, Heike ^{[1
,2
,5
]}

Monro, Tanya M. ^{[1
,2
,4
,5
]}

机构：

[1] Univ Adelaide, IPAS, Adelaide, SA 5005, Australia

[2] Univ Adelaide, Sch Phys Sci, Adelaide, SA 5005, Australia

[3] Leibniz Inst Photon Technol IPHT Jena, Albert Einstein Str 9, D-07745 Jena, Germany

[4] Univ S Australia, Adelaide, SA 5000, Australia

[5] Univ Adelaide, ARC Ctr Excellence Nanoscale Biophoton, Adelaide, SA 5005, Australia

来源：

OPTICS EXPRESS | 2016年 / 24卷 / 08期

基金：

澳大利亚研究理事会;

关键词：

PHOTONIC CRYSTAL FIBER; HIGH-SENSITIVITY; GRATINGS;

D O I：

10.1364/OE.24.008967

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose and experimentally demonstrate, for the first time to our knowledge, high temperature fiber sensing using the multimode interference effect within a suspended-core microstructured optical fiber (SCF). Interference fringes were found to red-shift as the temperature increased and vice versa. Temperature sensing up to 1100 degrees C was performed by measuring the wavelength shifts of the fringes after fast Fourier transform (FFT) filtering of the spectra. In addition, phase monitoring at the dominant spatial frequency in the Fourier spectrum was used as an interrogation method to monitor various temperature-change scenarios over a period of 80 hours. Our proposed high temperature fiber sensor is simple, cost-effective, and can operate at temperatures beyond 1000 degrees C. (C) 2016 Optical Society of America

引用

页码：8967 / 8977

页数：11

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