Precision Collisional Lineshapes By Difference-Frequency Laser Spectroscopy

A. S. Pine

doi:10.1117/12.931903

28 July 1981 Precision Collisional Lineshapes By Difference-Frequency Laser Spectroscopy

A. S. Pine

Proceedings Volume 0277, Atmospheric Transmission; (1981) https://doi.org/10.1117/12.931903
Event: 1981 Technical Symposium East, 1981, Washington, D.C., United States

Abstract

We will describe precision lineshape measurements of CH₄, both self- and air-broadened, and of HF in rare gas buffers using a tunable difference-frequency laser spectrometer. We find that the lineshape cannot always be characterized by the simple Lorentzian or Voigt profiles usually employed in atmospheric modelling. The effect of collisional narrowing of the Doppler distribution is quite evident for certain light molecules of atmospheric interest.

Citation Download Citation

A. S. Pine "Precision Collisional Lineshapes By Difference-Frequency Laser Spectroscopy", Proc. SPIE 0277, Atmospheric Transmission, (28 July 1981); https://doi.org/10.1117/12.931903

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