Stable operation of all-optical fibre photoacoustic sensors

Yuechuan Lin, Wei Jin, Jun Ma, Chao Wang, Fan Yang, Hoi Lut Ho

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

Abstract

Stable operation of graphene-diaphragm based fiber-tip photoacoustic gas sensor is achieved by use of a modified Sagnac interferometer with a 3x3 coupler. A detection limit of 1.5 ppm of C2H2balanced with N2is demonstrated and the system stability is <0.4 dB over 6 hours.
Original languageEnglish
Title of host publicationWorkshop on Specialty Optical Fibers and their Applications, WSOF 2015
PublisherOptical Society of America (OSA)
ISBN (Print)9781943580057
Publication statusPublished - 13 Nov 2015
EventWorkshop on Specialty Optical Fibers and their Applications, WSOF 2015 - Hong Kong Polytechnic University, Kowloon, Hong Kong
Duration: 4 Nov 20156 Nov 2015

Conference

ConferenceWorkshop on Specialty Optical Fibers and their Applications, WSOF 2015
CountryHong Kong
CityKowloon
Period4/11/156/11/15

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry

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