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Assignment and frequency of C18O2 pumped fir laser lines in12CH3F using infrared diode laser spectroscopy

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Abstract

Optically pumped FIR laser lines in12CH3F at 186.6 and 497.4μm have been assigned using high resolution diode laser spectroscopy. Accurate calibration of diode laser spectra of CH3F using CO2 laser lines yields the laser wavenumbers:

$$\begin{gathered} 186.6 \mu m laser:53.5250cm^{ - 1} \hfill \\ 497.4 \mu m laser:20.1250cm^{ - 1} \hfill \\ \end{gathered}$$

These are in good agreement with values calculated from spectroscopic parameters by Arimondo and Inguscio and with a direct frequency measurement.

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Authors and Affiliations

  1. Department of Physical Chemistry, University of Cambridge, CB2 1EP, Cambridge, England

    P. B. Davies, A. H. Ferguson & P. A. Hamilton

  2. Gonville and Caius College, University of Cambridge, CB2 ITA, Cambridge, England

    T. L. Amyes & I. M. R. van Laere

Authors
  1. P. B. Davies
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  2. A. H. Ferguson
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  3. P. A. Hamilton
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  4. T. L. Amyes
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  5. I. M. R. van Laere
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Davies, P.B., Ferguson, A.H., Hamilton, P.A. et al. Assignment and frequency of C18O2 pumped fir laser lines in12CH3F using infrared diode laser spectroscopy. Int J Infrared Milli Waves 4, 1029–1036 (1983). https://doi.org/10.1007/BF01009326

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  • DOI: https://doi.org/10.1007/BF01009326

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