With the SCD40, Sensirion offers a completely new miniaturized CO2 sensor based on the photoacoustic sensor principle. The integrated, industry-leading humidity and temperature sensor offers high ...

Abstract: This study introduces a photoacoustic spectroscopy (PAS) gas sensor based on an all-in-one nonresonant photoacoustic cell. A finite element model (FEM) of the sensor taking into account both ...

The new approach, termed coherently controlled quartz-enhanced photoacoustic spectroscopy (QEPAS), could form the basis for detectors used in environmental monitoring, breath analysis and chemical ...

Gao Xiaoming's team from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences, developed a novel ...