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An X-ray preionised self sustained discharge HF/DF laser

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Abstract

We report the design and characterisation of a flash X-ray preionised, transversely excited HF/DF laser with energy outputs at the joule level. The laser used a H2/D2: SF6 mixture at a pressure of around 120 Torr. X-ray photon fluxes and ionisation rates in the laser gas are presented and the laser dependence on these examined. It is shown that X-ray preionisation can be effective and it is estimated that the laser should operate satisfactorily with as little as 5% of the total stored electrical energy in the preionisation circuit. The laser performance is comparable to that of a UV preionised device with similar operating parameters.

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Authors and Affiliations

  1. The Sowerby Research Centre, British Aerospace, FPC 30, BS12 7QW, Filton, Bristol, UK

    N. Anderson, T. Bearpark & S. J. Scott

Authors
  1. N. Anderson
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  2. T. Bearpark
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  3. S. J. Scott
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Correspondence to S. J. Scott.

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Anderson, N., Bearpark, T. & Scott, S.J. An X-ray preionised self sustained discharge HF/DF laser. Appl. Phys. B 63, 565–573 (1996). https://doi.org/10.1007/BF01830995

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  • DOI: https://doi.org/10.1007/BF01830995

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