Applied physics

, Volume 18, Issue 3, pp 297–304 | Cite as

Application of a CW chemical laser for remote pollution monitoring and process control

Measurement of the hydrogen fluoride concentration in an aluminum plant
  • A. Tönnißen
  • J. Wanner
  • K. W. Rothe
  • H. Walther
Contributed Papers


The measurement of the concentration of gaseous hydrogen fluoride in the exhaust of an aluminum plant by resonance absorption of the radiation of a cw chemical HF laser is reported. The HF concentration has been evaluated taking into account the simultaneous absorption of water vapor and carbon dioxide at the HF laser frequencies. The absorption cross sections for H2O and CO2 at the HF laser lines have been determined in laboratory experiments.


92.60T 42.55K 33.20E 


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Copyright information

© Springer-Verlag 1979

Authors and Affiliations

  • A. Tönnißen
    • 1
  • J. Wanner
    • 2
  • K. W. Rothe
    • 1
  • H. Walther
    • 1
    • 2
  1. 1.Sektion PhysikUniversität MünchenGarchingFed. Rep. Germany
  2. 2.Projektgruppe für Laserforschung der Max-Planck-GesellschaftGarchingFed. Rep. Germany

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