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Applied physics

, Volume 17, Issue 3, pp 321–323 | Cite as

Optically excitedP-quaterphenyl vapour laser

  • V. S. Zuev
  • O. A. Logunov
  • Yu. V. Savinov
  • A. V. Startsev
  • Yu. Yu. Stoilov
Contributed Papers

Abstract

We report the observation of laser action at 350 nm in an organic scintillatorp-quaterphenyl (PQT) in the vapour phase. Pure vapours and their mixtures with SF6 and N2 were excited with the fourth harmonic of an Nd laser (266 nm) in transverse pumping geometry. The measured conversion efficiency of the PQT vapour laser was 1% under nonoptimum conditions. Absorption spectrum and vapour density curve are given. Influence of buffer gases on the threshold pump intensity and fluorescence efficiency is reported.

PACS

78.60 78.30 34 

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Copyright information

© Springer-Verlag 1978

Authors and Affiliations

  • V. S. Zuev
    • 1
  • O. A. Logunov
    • 1
  • Yu. V. Savinov
    • 1
  • A. V. Startsev
    • 1
  • Yu. Yu. Stoilov
    • 1
  1. 1.P.N. Lebedev Physical InstituteMoscowUSSR

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