Excitation Period Optimization of Photothermal Signals for Gas Sensing

Ulrich Radeschnig*, Benjamin Lang, Alexander Bergmann

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference paperpeer-review


Photothermal spectroscopy is a promising technique for monitoring gas concentrations. We provide an approach to signal enhancement relying upon the ratio between excitation frequency and gas flow velocity. Our statements are supported experimentally and theoretically.

Original languageEnglish
Title of host publicationApplied Industrial Optics
Subtitle of host publicationSpectroscopy, Imaging and Metrology, AIO 2022
PublisherOptica Publishing Group (formerly OSA)
ISBN (Electronic)9781557528209
Publication statusPublished - 2022
EventApplied Industrial Optics 2022: AIO 2022 - Dublin, Ireland
Duration: 25 Jul 202227 Jul 2022

Publication series

NameOptics InfoBase Conference Papers


ConferenceApplied Industrial Optics 2022
Abbreviated titleAIO 2022

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials


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