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  4. Simulation model for the evaluation and design of miniaturized non-resonant photoacoustic gas sensors
 
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2016
Zeitschriftenaufsatz
Titel

Simulation model for the evaluation and design of miniaturized non-resonant photoacoustic gas sensors

Abstract
This publication reports the derivation and the implementation of a simulation model that describes non-resonant photoacoustic gas sensors. The photoacoustic effect is modelled in detail for the successive steps of radiation emission, stimulation of molecules, collisional relaxation processes and finally the pressure formation in a closed gas cell. The photoacoustic effect offers great potential in the development of selective, miniaturized gas sensor systems. We verify and discuss the results of our model assuming typical parameters and values in indoor CO2 sensing applications. We set up a sensor system for experimental verification of the simulated data and discuss the results. The results of the simulation model are in good accordance with the experimental data and can therefore be used as a novel and efficient tool for the development of non-resonant photoacoustic gas sensor systems.
Author(s)
Huber, Jochen
Fraunhofer-Institut für Physikalische Messtechnik IPM
Schmitt, Katrin
Fraunhofer-Institut für Physikalische Messtechnik IPM
Wöllenstein, Jürgen
Fraunhofer-Institut für Physikalische Messtechnik IPM
Zeitschrift
Journal of sensors and sensor systems : JSSS
Project(s)
ESEE
ESEE
Funder
Bundesministerium für Bildung und Forschung BMBF (Deutschland)
European Commission EC
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DOI
10.5194/jsss-5-293-2016
Externer Link
Externer Link
Language
Englisch
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Tags
  • gas sensors

  • photoacoustics

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