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High-temperature fiber-optic Fabry-Perot interferometric sensors

  • Wenhui Ding
  • , Yi Jiang
  • , Ran Gao*
  • , Yuewu Liu
  • *Corresponding author for this work
  • Beijing Institute of Technology
  • CAS - Institute of Mechanics

Research output: Contribution to journalArticlepeer-review

Abstract

A photonic crystal fiber (PCF) based high-temperature fiber-optic sensor is proposed and experimentally demonstrated. The sensor head is a Fabry-Perot cavity manufactured with a short section of endless single-mode photonic crystal fiber (ESM PCF). The interferometric spectrum of the Fabry-Perot interferometer is collected by a charge coupled device linear array based micro spectrometer. A high-resolution demodulation algorithm is used to interrogate the peak wavelengths. Experimental results show that the temperature range of 1200 °C and the temperature resolution of 1 °C are achieved.

Original languageEnglish
Article number055001
JournalReview of Scientific Instruments
Volume86
Issue number5
DOIs
Publication statusPublished - 1 May 2015
Externally publishedYes

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