Applied Physics B

, Volume 86, Issue 2, pp 309–313 | Cite as

Influence of various coumarin dyes on the laser performance of laser dyes co-doped into ORMOSILs

  • Y. Yang
  • J. Zou
  • H. Rong
  • G.D. Qian
  • Z.Y. Wang
  • M.Q. Wang


Several kinds of coumarin dyes (C440, C460, C500, C503 and C540A) were co-doped with perylene red (p-red) or pyrromethene 567 (p567) into VTES- and MTES-derived organically modified silicates (ORMOSILs) respectively, by the sol-gel process. The effects of coumarin dyes and their concentration on the laser properties and photostabilities of p-redand p567 were studied and the mechanisms involved were discussed. At optimized coumarin dye concentration, the slope efficiency of co-doped p-redincreased by a factor of 2 while only minor increases in the laser efficiency of p567 were observed. A broader tunable range with increased conversion efficiency and at least a 3-fold improvement in the photostabilities of p-redand p567 in the presence of coumarin family dyes have also been achieved. The mechanism responsible for the improvement in the laser performances and photostabilities of p-redand p567 resulted from the energy transfer between p-red/567 and coumarin dyes.


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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • Y. Yang
    • 1
  • J. Zou
    • 1
  • H. Rong
    • 1
  • G.D. Qian
    • 1
  • Z.Y. Wang
    • 1
  • M.Q. Wang
    • 1
  1. 1.Department of Materials Science & Engineering, State Key Laboratory of Silicon MaterialsZhejiang UniversityHangzhouP.R. China

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