Scaling of a laser based on atomic transitions in xenon pumped by an electron beam

B. M. Koval'chuk, V. F. Tarasenko, A. V. Fedenev

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    Abstract

    An experimental investigation was made of the parameters of lasing as a result of atomic transitions in xenon observed when Ar-Xe and He-Ar-Xe mixtures were excited by an electron beam in a laser chamber with an active volume of ∼600 litres. Electron beams from six double acceleration diodes were injected axially symmetric into this chamber. This ensured a more efficient utilisation of the pump energy and a uniform distribution of the laser radiation energy over a transverse exit aperture in the maximum specific input energies. An output radiation energy of the order of 100 J was generated with an efficiency of about 2% at λ = 1.73 μm and of the order of 50 J with an efficiency of about 1% at λ = 2.03 μm. An analysis was made of the experimental results and of criteria for the optimisation of the pump parameters in order to improve the output characteristics of a wide-aperture laser operating on the basis of atomic transitions in xenon.

    Original languageEnglish
    Pages (from-to)489-491
    Number of pages3
    JournalQuantum Electronics
    Volume26
    Issue number6
    DOIs
    Publication statusPublished - Jun 1996

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    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Physics and Astronomy (miscellaneous)

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