Strong fiber Bragg grating sensor based on optoelectrical oscillation for ultra-fast and ultra-stable position-finding and measurement

Wenxuan Wang, Yi Liu, Yan Li, Changyuan Yu, Xiangfei Chen

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

Abstract

This paper proposes a quasi-distribute sensor based on optoelectrical oscillator (OEO) incorporating a uniform strong fiber Bragg grating (FBG). When reflection spectrum of FBG moves to longer wavelength due to external changes, the oscillation will occur and the target position will be mapped into the oscillating frequency. Ultrahigh stability of <14kHz and ultra-short response time of 1.5s are better than many solutions. The sensing threshold can be tuned linearly with the laser operating wavelength with Pearson's r of 0.9989.

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
Publication statusPublished - 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

  • Fiber Bragg grating
  • Optoelectrical oscillator
  • Position-finding
  • Quasi-distributed sensor

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Hardware and Architecture
  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics

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