Optical fibre temperature and humidity sensor

Chi Zhang, Wei Zhang, David J. Webb, Gang-Ding Peng

Research output: Contribution to journalArticlepeer-review

Abstract

An optical fibre sensor system for humidity and temperature, comprising two Bragg gratings recorded in silica and polymer fibre, has been characterised. The response of this system is very well conditioned (2-norm condition number = 8.8) and consequently uncertainties in wavelength measurement do not lead to large errors in the recovered humidity and temperature.
Original languageEnglish
Pages (from-to)643-644
Number of pages2
JournalElectronics letters
Volume46
Issue number9
DOIs
Publication statusPublished - 29 Apr 2010

Bibliographical note

This paper is a postprint of a paper submitted to and accepted for publication in Electronics Letters and is subject to Institution of Engineering and Technology Copyright. The copy of record is available at IET Digital Library.

Keywords

  • Bragg gratings
  • fibre optic sensors
  • humidity sensors
  • polymer fibres
  • silicon compounds
  • temperature sensors
  • SiO2
  • optical fibre temperature sensor
  • silica
  • wavelength measurement uncertainties

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