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Multiphoton absorption of broad-band CO2 laser radiation by SF6

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Abstract

Increase of the emission bandwidth of a high-pressure CO2 laser up to 1.5 cm−1 increases the multiphoton absorption cross-section of SF6. Comparison with the previously found [9] increased absorption for shorter pulses suggests that this is also a bandwidth effect. Spectral structures as narrow as 1 cm−1 above the 10th absorption step are invoked to explain the observations. The temperature effect, which disappears in the broad-band case, confirms this view.

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Author notes

  1. S. S. Alimpiev

    Present address: Institute of General Physics, ul. Vavilova 38, SU-117942, Moscow, USSR

  2. Wan Chong-yi

    Present address: Institute of Electronics, Academia Sinica, Beijing, China

Authors and Affiliations

  1. Max-Planck-Institut für Quantenoptik, D-8046, Garching bei München, Fed. Rep. Germany

    S. S. Alimpiev, W. Fuß, K. L. Kompa, C. Schwab & Wan Chong-yi

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  1. S. S. Alimpiev
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  2. W. Fuß
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  3. K. L. Kompa
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  4. C. Schwab
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Alimpiev, S.S., Fuß, W., Kompa, K.L. et al. Multiphoton absorption of broad-band CO2 laser radiation by SF6 . Appl. Phys. B 35, 1–5 (1984). https://doi.org/10.1007/BF00697513

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