Cantilever-enhanced Photoacoustic Detector for Light-absorbing Aerosols

Juho Karhu, Joel Kuula, Aki Virkkula, Hilkka Timonen, Markku Vainio, Tuomas Hieta

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


We present here the first application of cantilever-enhanced photoacoustic spectroscopy for aerosol absorption measurements. A noise equivalent absorption of 1.3x10-10 cm-1 (one standard deviation) is reached with 20 s sampling time.

Original languageEnglish
Title of host publicationLaser Applications to Chemical, Security and Environmental Analysis, LACSEA 2022
PublisherOptical Society of America (OSA)
ISBN (Electronic)978-1-55752-820-9, 978-1-957171-10-4
Publication statusPublished - 2022
MoE publication typeA4 Conference publication
EventLaser Applications to Chemical, Security and Environmental Analysis - Vancouver, Canada
Duration: 11 Jul 202215 Jul 2022

Publication series

NameOptics InfoBase Conference Papers


ConferenceLaser Applications to Chemical, Security and Environmental Analysis
Abbreviated titleLACSEA


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