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Simultaneous measurement of temperature and pressure based on Fabry Perot and Antiresonant mechanisms

  • Shiyi Xie
  • , Yang Shen
  • , Mengzhe Xiao
  • , Senhui Yin
  • , Chong He
  • , Jiajun Tian
  • , Yong Yao
  • Harbin Institute of Technology Shenzhen

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A fiber-optic sensor for simultaneous measurement of temperature and pressure is proposed and experimentally demonstrated. The sensor is composed of a hollow core fiber (HCF) sandwiched by two segments of single mode fiber (SMF), in which Fabry-Perot interference (FPI) combined with antiresonant (AR) mechanism are applied to the simultaneous measurement of temperature and pressure. The reflection spectrum of the sensor is composed of a sinusoid caused by axial FPI and several resonant wavelengths induced by AR mechanism occurred in cladding of the HCF. Two kinds of mechanisms have different responses to temperature and pressure, so the proposed sensor can simultaneously measure the pressure and temperature without pressure-temperature cross-talk. The advantages of the proposed sensor including small size, compact structure, and easy fabrication.

Original languageEnglish
Title of host publication2019 18th International Conference on Optical Communications and Networks, ICOCN 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728127644
DOIs
StatePublished - Aug 2019
Externally publishedYes
Event18th International Conference on Optical Communications and Networks, ICOCN 2019 - Huangshan, China
Duration: 5 Aug 20198 Aug 2019

Publication series

Name2019 18th International Conference on Optical Communications and Networks, ICOCN 2019

Conference

Conference18th International Conference on Optical Communications and Networks, ICOCN 2019
Country/TerritoryChina
CityHuangshan
Period5/08/198/08/19

Keywords

  • Antiresonant
  • Fabry-Perot
  • Fiber optics
  • Temperature and pressure sensor

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