Optical and Quantum Electronics

, Volume 29, Issue 7, pp 713–724

Laser performance studies of para-(phenylene-ethynylene) polymers in organic solvents

  • W. Holzer
  • A. Penzkofer
  • S.-H. Gong
  • A. P. Davey
  • W. J. Blau


The lasing performance of the polymers poly(2,5-dioctadecyloxy-paraphenylene-ethynylene-co-2,5-thienyl) (OPT) and poly(2,5-dioctadecyloxy-paraphenylene-ethynylene-co-2,5-pyridinyl) (OPP) in organic solvents was studied. A two-mirror resonator was transversally pumped using single pulses of the second harmonic of a mode-locked ruby laser. OPT in tetrahydrofuran lased in the region from 480 nm to 525nm and OPP in tetrahydrofuran showed laser action in the region from 460 nm to 490nm. The polymer solutions are characterized by absorption and fluorescence spectroscopic analysis. Effective stimulated emission cross-sections are reported. High excited-state absorption cross-sections and residual ground-state absorption reduce the lasing efficiency.


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Copyright information

© Chapman and Hall 1997

Authors and Affiliations

  • W. Holzer
    • 1
  • A. Penzkofer
    • 1
  • S.-H. Gong
    • 1
  • A. P. Davey
    • 2
  • W. J. Blau
    • 2
  1. 1.Institut II-Experimentelle und Angewandte PhysikUniversita¨t RegensburgRegensburgGermany
  2. 2.Department of Pure and Applied PhysicsUniversity of Dublin, Trinity CollegeDublin 2Republic of Ireland

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