Ultrasensitive photothermal gas sensor with a dual-mode anti-resonant hollow-core fiber

Pengcheng Zhao, Yan Zhao, Haihong Bao, Hoi Lut Ho, Wei Jin, Shangchun Fan, Shoufei Gao, Yingying Wang, Pu Wang

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

Abstract

We report mode-phase-difference photothermal spectroscopy with a dual-mode antiresonant hollow-core fiber. Ultra-sensitive gas detection down to ppt level is demonstrated with good stability and unprecedented dynamic range of over 7 orders of magnitude.

Original languageEnglish
Title of host publicationOptical Fiber Sensors, OFS 2020
PublisherOptica Publishing Group (formerly OSA)
ISBN (Electronic)9781557523075
Publication statusPublished - Jun 2020
Event27th International Conference on Optical Fiber Sensors, OFS 2020 - Washington, United States
Duration: 8 Jun 202012 Jun 2020

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701

Conference

Conference27th International Conference on Optical Fiber Sensors, OFS 2020
Country/TerritoryUnited States
CityWashington
Period8/06/2012/06/20

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials

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