An improved model for the fully distributed temperature single-mode fibre optic sensor based on Raman optical frequency-domain reflectometry

Junping Geng, Ronghong Jin, Jiadong Xu, Xiaoling Li, Yan Li, Chenjiang Guo, Gao Wei, Haobing Zhang

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

An improved ROFDR theoretical model is presented based on the Bose-Einstein distribution of photons inside the single mode fibre in a thermal balance state between the inside and outside of a single-mode fibre when Raman scattering occurs along the fibre core. The arithmetic of signal processing based on the discrete and matrix method is obtained, which shows the process of getting the Stokes and anti-Stokes photon occupation probability ρS(z) and ρAS (z) clearly. An emulational result of distributed temperature in a single-mode optical fibre is also presented.

Original languageEnglish
Pages (from-to)932-936
Number of pages5
JournalJournal of Optics A: Pure and Applied Optics
Volume6
Issue number10
DOIs
StatePublished - Oct 2004

Keywords

  • Distributed temperature fibre optic sensor
  • Raman optical frequency-domain reflectometry
  • ROFDR

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