Photoacoustic Investigation of Pesticides

  • Dane Bicanic
  • Henk Jalink
  • Hans Sauren
  • Frans Harren
  • Jörg Reuss
  • Ben Zuidberg
  • Ernst Woltering

Abstract

The photoacoustic effect caused by the absorption of the modulated radiation thereby leading to the generation of sound in the gas at the very same chopping frequency, has emerged as a valuable tool for a variety of applications. This is described in several excellent books and review articles on this topic [1,2,3,4,5]. The magnitude of the photoacoustic signal is directly proportional to the amount of the power absorbed by the gas and the concentration of the absorbing species. Throughout recent years frequent studies of atmospheric pollution using the photoacoustic effect in molecular gases in the infrared have been carried out with laser sources [6,7,8,9,10,11]. For a majority of gases, sub part per billion detection sensitivity limits for concentration have been reached with optimized cell designs under realistic atmospheric conditions.

Keywords

Swiss Federal Institute Photoacoustic Signal Photoacoustic Cell Photoacoustic Effect Tube Resonator 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© ECSC, EEC, EAEC, Brussels and Luxembourg 1989

Authors and Affiliations

  • Dane Bicanic
    • 1
  • Henk Jalink
    • 1
  • Hans Sauren
    • 1
  • Frans Harren
    • 2
  • Jörg Reuss
    • 2
  • Ben Zuidberg
    • 3
  • Ernst Woltering
    • 4
  1. 1.Photoacoustic Laboratory Dept. of Physics and MeteorologyWageningen Agricultural UniversityWageningenThe Netherlands
  2. 2.Dept. of Laser and Molecular PhysicsCatholic UniversityNijmegenThe Netherlands
  3. 3.Dept. of PhysicsGadjad Mada UniversityYogjakartaIndonesia
  4. 4.Sprenger InstituteWageningenThe Netherlands

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