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Spectroscopic diagnostics of the onset of discharge instabilities in a XeCl phototriggered laser

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Abstract

Study of the output power of a XeCl phototriggered laser at high energy loading has shown a multipulse operating mode. Above a critical value giving the maximum output energy, an increase of the applied electric field induces a dramatic decrease of the power emitted in the later peaks as well as the onset of a strong increase of the densities of various excited states, while such an increase is not observed for ionic states. Continuous-Wave (cw) laser-absorption spectroscopy is proved a very sensitive diagnostic tool to study the dynamics of these processes.

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Authors and Affiliations

  1. Laboratoire de Physique des Gaz et des Plasmas (associé au CNRS), Université Paris-Sud, F-91405, Orsay Cedex, France

    M. Legentil, S. Pasquiers, V. Puech & R. Riva

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  1. M. Legentil
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  2. S. Pasquiers
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  3. V. Puech
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  4. R. Riva
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On leave from Centre Técnico Aerospacial, S.J. Campos, Sao Paulo, Brazil

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Legentil, M., Pasquiers, S., Puech, V. et al. Spectroscopic diagnostics of the onset of discharge instabilities in a XeCl phototriggered laser. Appl. Phys. B 58, 515–517 (1994). https://doi.org/10.1007/BF01081083

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  • DOI: https://doi.org/10.1007/BF01081083

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