Fast and stable photoacoustic gas spectroscopy by frequency tracking of a quartz tuning fork in closed loop detection

Maxime Duquesnoy,Raphaël Lévy,Jean-Michel Melkonian,Guillaume Aoust,Myriam Raybaut,Antoine Godard

Fast and stable photoacoustic gas spectroscopy by frequency tracking of a quartz tuning fork in closed loop detection

2020

Maxime Duquesnoy
Raphaël Lévy
Jean-Michel Melkonian
Guillaume Aoust
Myriam Raybaut
Antoine Godard

We previously introduced a new QEPAS (Quartz Enhanced Photoacoustic Spectroscopy) signal processing allowing fast and stable measurements. We now present improvements of our measurement method on sensitivity and measurement time.

Keywords:

Spectroscopy
Optoelectronics
Photoacoustic spectroscopy
closed loop
Sensitivity (control systems)
Materials science
quartz tuning fork
Signal processing
Quartz
Tracking (particle physics)

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