Transformation of energy in some laser dyes under excitation by electrons

Alexander V. Kukhta; Sergei M. Kazakov; Eduard E. Kolesnik; Anatoly I. Mit'kovets; Dennis V. Murtazaliev; Gennadii Sorokin

doi:10.1117/12.460125

26 March 2002 Transformation of energy in some laser dyes under excitation by electrons

Alexander V. Kukhta, Sergei M. Kazakov, Eduard E. Kolesnik, Anatoly I. Mit'kovets, Dennis V. Murtazaliev, Gennadii Sorokin

Author Affiliations +

Proceedings Volume 4747, International Conference on Atomic and Molecular Pulsed Lasers IV; (2002) https://doi.org/10.1117/12.460125
Event: International Conference on Atomic and Molecular Pulsed Lasers IV, 2001, Tomsk, Russian Federation

Abstract

The main characteristics of interaction of monokinetic electrons with different energies in the range from 0 to 50 eV at an angle 90 degree(s) (electron energy loss spectra, luminescence excitation functions, and luminescence spectra) for some lasing potential organic materials (paraquaterphenyl, 1,4-bis[2-(5- phenyloxazolyl)]benzene (POPOP), 2,5-biphenyloxazole (PPO), perylene, (beta) -binaphthilenoxide (dinaphthofuran), and 4-methylamino-N-(o-tolyl)-1,8-naphthalimide) are presented and analyzed. It was shown the correlation between elastic and inelastic scattering. It was found that the nature of electron and photon excitations is similar. Direct population of triplet states for most of studied compounds is negligible. The substances with intensive longwave singlet band (perylene, POPOP, PPO, naphthalimide) are very attractive for lasing search in electroluminescent cell. Calculation of excitation rates based on Born approximation results in essential error.

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Alexander V. Kukhta, Sergei M. Kazakov, Eduard E. Kolesnik, Anatoly I. Mit'kovets, Dennis V. Murtazaliev, and Gennadii Sorokin "Transformation of energy in some laser dyes under excitation by electrons", Proc. SPIE 4747, International Conference on Atomic and Molecular Pulsed Lasers IV, (26 March 2002); https://doi.org/10.1117/12.460125

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