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Russian Physics Journal

, Volume 60, Issue 11, pp 2036–2039 | Cite as

Increase in the Lasing Efficiency of Thin-Film Lasers Based on 1.4- Distirylbenzene

  • E. N. Nikonova
  • E. N. Tel’minov
  • T. N. Kopylova
  • T. A. Solodova
  • S. Yu. Nikonov
  • I. L. Lapina
  • A. E. Kurtsevich
Article
  • 22 Downloads

The possibility of development of a thin-film 1,4-distirylbenzene–based laser lasing in the blue spectral range in solutions and films is investigated. The stimulated emission of 1,4-distirylbenzene in a polymethylmethacrylate film with transverse pumping by a YAG-Nd3+ laser is obtained for the threshold power density W = 0.44 MW/cm2. It is shown that incorporation of the additional amorphous SiO2 layer, improving the condition of total internal reflection on the boundary of the active medium, decreases the lasing threshold to 50–70 kW/cm2; in this case, the efficiency of radiation conversion is equal to 20%.

Keywords

organic photoexcited thin-film laser stimulated emission 

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • E. N. Nikonova
    • 1
    • 2
  • E. N. Tel’minov
    • 1
    • 2
  • T. N. Kopylova
    • 1
  • T. A. Solodova
    • 1
  • S. Yu. Nikonov
    • 1
  • I. L. Lapina
    • 2
  • A. E. Kurtsevich
    • 2
  1. 1.V. D. Kuznetsov Siberian Physical-Technical Institute at Tomsk State UniversityTomskRussia
  2. 2.National Research Tomsk State UniversityTomskRussia

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