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Hollow-core-fiber-cavity-enhanced stimulated Raman gain spectroscopy for trace hydrogen detection

  • Feifan Chen
  • , Haihong Bao
  • , Shoulin Jiang
  • , Shoufei Gao
  • , Yingying Wang
  • , Hoi Lut Ho
  • , Xiaolin Wang
  • , Jianan Wang
  • , Junyang Liu
  • , Ming Li
  • , Wei Jin

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

Abstract

We demonstrate a hydrogen sensor based on hollow-core fiber cavity-enhanced stimulated Raman gain spectroscopy. Using an 8-cm-long hollow-core fiber cavity with finesse of ∼ 300, hydrogen detection with a limit of detection of 62 ppm is achieved with 1 s lock-in time constant.

Original languageEnglish
Title of host publication29th International Conference on Optical Fiber Sensors
EditorsJose Luis Santos, Manuel Lopez-Amo Sainz, Tong Sun
PublisherSPIE
Pages1-4
Number of pages4
ISBN (Electronic)9781510691872
DOIs
Publication statusPublished - May 2025
Event29th International Conference on Optical Fiber Sensors - Porto, Portugal
Duration: 25 May 202530 May 2025

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume13639
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

Conference29th International Conference on Optical Fiber Sensors
Country/TerritoryPortugal
CityPorto
Period25/05/2530/05/25

Keywords

  • hollow-core fiber cavity
  • hydrogen detection
  • optical fiber sensor
  • Raman spectroscopy

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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