Abstract
Supersonic molecular beams of methane are investigated in the expansion region using coherent anti-Stokes Raman scattering (CARS). Raman spectra of thev 3 vibration with resolved rotational structure at low temperatures are reported. Comparison with calculated CARS spectra shows that the rotational distribution in the beam may be well described by a Boltzmann distribution. Temperatures are the same for all three nuclear spin modifications within the experimental error.
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H.D. Barth, F. Huisken: To be published
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Huisken, F., Pertsch, T. Coherent anti-Stokes Raman spectroscopy (CARS) of thev 3 band of methane in supersonic molecular beams. Appl. Phys. B 41, 173–178 (1986). https://doi.org/10.1007/BF00693919
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DOI: https://doi.org/10.1007/BF00693919