![QEPAS (QuartzEnhanced Photoacoustic Spectroscopy) Kitsand Complete Systems](https://d27wgn5g4t3wja.cloudfront.net/img/5930f672-1422-08df-aa93-46f7782f30f2/362268.png)
QEPAS (QuartzEnhanced Photoacoustic Spectroscopy) Kitsand Complete Systems
QEPAS is a novel photoacoustic gas detection technique. The key QEPAS feature - using the high-Q quartz resonator as the acoustic signal detector instead of the conventional microphone. This gives new advantages to classic photoacoustic detection principles: