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Far-Infrared Laser Stark Spectroscopy of 1,1 Difluoroethylene

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Abstract

The far-infrared laser Stark spectrum of 1,1 difluoroethylene (H2C=CF2) has been investigated with the 311 μm line of the hydrogen cyanide (HCN) laser. Numerous families of absorption lines have been observed for both parallel and perpendicular polarizations up to 60 000 V/cm. Three families of resonances have been identified as J(Ka,Kc) = 41(35,7) ← 40(33,8), 40(36,5) ← 39(34,6) and 43(35,8) ← 42(33,9). The Stark shift for the first two transitions can be adequately explained by quasi-first-order calculations, whereas the Stark shift for the third transition requires second-order corrections. The zero-field frequencies for these transitions have been experimentally determined and are reported with fractional uncertainties up to a few parts in 106.

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Authors and Affiliations

  1. Boeing Satellite Systems, P. O. Box 92919, Los Angeles, CA, 90009

    S. R. Raju

  2. Department of Physics, University of Idaho, Moscow, ID, 83844

    L. H. Johnston

  3. Department of Physics, University of Wisconsin-La Crosse, La Crosse, WI, 54601

    G. R. Sudhakaran, J. L. Olson & M. Jackson

  4. Department of Chemistry, Memorial University of Newfoundland, St. John's, NF A1B 3X7, CA

    R. Wellington Davis

Authors
  1. S. R. Raju
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  2. L. H. Johnston
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  3. G. R. Sudhakaran
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  4. J. L. Olson
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  5. M. Jackson
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  6. R. Wellington Davis
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Raju, S.R., Johnston, L.H., Sudhakaran, G.R. et al. Far-Infrared Laser Stark Spectroscopy of 1,1 Difluoroethylene. International Journal of Infrared and Millimeter Waves 25, 1037–1051 (2004). https://doi.org/10.1023/B:IJIM.0000037652.33503.6d

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  • DOI: https://doi.org/10.1023/B:IJIM.0000037652.33503.6d

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