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Applied physics

, Volume 23, Issue 1, pp 83–87 | Cite as

Spectral, fluorescent, photochemical and laser properties of some organic compound vapors

  • G. A. Abakumov
  • Yu. M. Anisimov
  • B. I. Polyakov
  • A. P. Simonov
Solids and Surfaces

Abstract

Absorption and fluorescence spectra of rarefied vapors ofp-terphenyl, 1,4-bis-[2(5-phenyloxazolyl)]-benzene, 2,5-diphenyl-1,3,4-oxadiazole, 2,5-diphenyl-1,3-oxazole, 2,5-diphenylfuran are measured. Extinction coefficients, quantum yields of fluorescence and one-photon decomposition of molecules are determined for vapors excited by pulsed laser radiation at 266 and 355 nm in the temperature range from 200 to 400°C. It is shown that for all cases studied the one-photon decomposition is only a small part of the total quantum yield of the radiationless deactivation of the fluorescent state. Laser action has, for the first time, been obtained in 2,5-diphenylfuran vapor at 356 nm.

PACS

33 82.50 42.55 

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Copyright information

© Springer-Verlag 1980

Authors and Affiliations

  • G. A. Abakumov
    • 1
  • Yu. M. Anisimov
    • 1
  • B. I. Polyakov
    • 1
  • A. P. Simonov
    • 1
  1. 1.L. Ya. Karpov Physical Chemistry InstituteMoscowRussia

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