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Measurement of rotational temperature in CO2 waveguide laser medium

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Abstract

A small-signal gain in CO2 waveguide laser medium has been measured on rotational-vibrational transitions in the P-branch of the (0, 0, 1)-(0, 20, 0) band. It has been found that the rotational temperature is well defined in the waveguide laser system where high excitation power is injected and a large amount of energy is flowing through vibrational, rotational, and translational degrees of freedom. The rotational temperature is slightly higher than the translational temperature.

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Authors and Affiliations

  1. Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, 113, Tokyo, Japan

    T. Suzuki, Y. Tanaka, A. Onae, M. Tachikawa & T. Shimizu

Authors
  1. T. Suzuki
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  2. Y. Tanaka
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  3. A. Onae
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  4. M. Tachikawa
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  5. T. Shimizu
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Suzuki, T., Tanaka, Y., Onae, A. et al. Measurement of rotational temperature in CO2 waveguide laser medium. Appl. Phys. B 45, 87–91 (1988). https://doi.org/10.1007/BF00694321

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  • DOI: https://doi.org/10.1007/BF00694321

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