Cantilever-enhanced Photoacoustic Detector for Light-absorbing Aerosols

Autor: Juho Karhu, Joel Kuula, Aki Virkkula, Hilkka Timonen, Markku Vainio, Tuomas Hieta
Rok vydání: 2022
Zdroj: University of Helsinki
DOI: 10.1364/lacsea.2022.lw4d.5
Popis: 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.
Databáze: OpenAIRE