Microfiber evanescent-wave photothermal methane sensor with sub-ppm sensitivity

Pengcheng Zhao; Shangchun Fan; Hoi Lut Ho; Wei Jin

doi:10.1364/OFS.2022.Th3.5

Microfiber evanescent-wave photothermal methane sensor with sub-ppm sensitivity

Pengcheng Zhao, Shangchun Fan, Hoi Lut Ho, Wei Jin

The Hong Kong Polytechnic University

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

1 Citation (Scopus)

Abstract

We report microfiber evanescent-wave photothermal spectroscopy for trace gas detection. With a 2-cm-long silica microfiber, detection limit of 440 ppb methane is achieved with dynamic range of nearly six orders of magnitude and response time of less than 7 seconds.

Original language	English
Title of host publication	Optical Fiber Sensors, OFS 2022
Publisher	Optica Publishing Group (formerly OSA)
ISBN (Electronic)	9781957171142
DOIs	https://doi.org/10.1364/OFS.2022.Th3.5
Publication status	Published - Sept 2022
Event	27th International Conference on Optical Fiber Sensors, OFS 2022 - Alexandria, United States Duration: 29 Aug 2022 → 2 Sept 2022

Publication series

Name	Optics InfoBase Conference Papers
ISSN (Electronic)	2162-2701

Conference

Conference	27th International Conference on Optical Fiber Sensors, OFS 2022
Country/Territory	United States
City	Alexandria
Period	29/08/22 → 2/09/22

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Mechanics of Materials

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10.1364/OFS.2022.Th3.5

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@inproceedings{ff2c65c8a56343a0890534c4227506dc,

title = "Microfiber evanescent-wave photothermal methane sensor with sub-ppm sensitivity",

abstract = "We report microfiber evanescent-wave photothermal spectroscopy for trace gas detection. With a 2-cm-long silica microfiber, detection limit of 440 ppb methane is achieved with dynamic range of nearly six orders of magnitude and response time of less than 7 seconds.",

author = "Pengcheng Zhao and Shangchun Fan and Ho, {Hoi Lut} and Wei Jin",

note = "Publisher Copyright: {\textcopyright} 2022 The Author(s).; 27th International Conference on Optical Fiber Sensors, OFS 2022 ; Conference date: 29-08-2022 Through 02-09-2022",

year = "2022",

month = sep,

doi = "10.1364/OFS.2022.Th3.5",

language = "English",

series = "Optics InfoBase Conference Papers",

publisher = "Optica Publishing Group (formerly OSA)",

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Zhao, P, Fan, S, Ho, HL & Jin, W 2022, Microfiber evanescent-wave photothermal methane sensor with sub-ppm sensitivity. in Optical Fiber Sensors, OFS 2022. Optics InfoBase Conference Papers, Optica Publishing Group (formerly OSA), 27th International Conference on Optical Fiber Sensors, OFS 2022, Alexandria, United States, 29/08/22. https://doi.org/10.1364/OFS.2022.Th3.5

Microfiber evanescent-wave photothermal methane sensor with sub-ppm sensitivity. / Zhao, Pengcheng; Fan, Shangchun; Ho, Hoi Lut et al.
Optical Fiber Sensors, OFS 2022. Optica Publishing Group (formerly OSA), 2022. (Optics InfoBase Conference Papers).

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

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N2 - We report microfiber evanescent-wave photothermal spectroscopy for trace gas detection. With a 2-cm-long silica microfiber, detection limit of 440 ppb methane is achieved with dynamic range of nearly six orders of magnitude and response time of less than 7 seconds.

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DO - 10.1364/OFS.2022.Th3.5

M3 - Conference article published in proceeding or book

AN - SCOPUS:85146729500

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BT - Optical Fiber Sensors, OFS 2022

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Microfiber evanescent-wave photothermal methane sensor with sub-ppm sensitivity

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