Energetic characteristics of two-photon excited luminescence in organic polycrystals

T. S. Gordeyeva; Vladimir S. Gorelik; Anna D. Kudryavtseva; Albina I. Sokolovskaya; Nicolaii V. Tcherniega

doi:10.1117/12.239797

10 May 1996 Energetic characteristics of two-photon excited luminescence in organic polycrystals

T. S. Gordeyeva, Vladimir S. Gorelik, Anna D. Kudryavtseva, Albina I. Sokolovskaya, Nicolaii V. Tcherniega

Proceedings Volume 2797, Nonlinear Spectroscopy and Ultrafast Phenomena; (1996) https://doi.org/10.1117/12.239797
Event: International Conference on Coherent and Nonlinear Optics, 1995, St. Petersburg, Russian Federation

Abstract

The dependencies of two-photon excited luminescence intensity on the exciting laser radiation energy have been studied. As a source of pumping light we have used Q-switched ruby laser, and luminescence has been recorded in the blue and near ultraviolet region. The experimental results have been obtained for some aromatic solid state compounds as anthracene, stilbene, POPOP and 3,4,5 trimethoxy benzoic acid. We have established essentially nonlinear behavior of investigated dependencies with saturation at the large pumping energy: 0.2 - 0.8 J. The opportunity of superfluorescence, appearing under two-photon pumping of aromatic solids, was analyzed.

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T. S. Gordeyeva, Vladimir S. Gorelik, Anna D. Kudryavtseva, Albina I. Sokolovskaya, and Nicolaii V. Tcherniega "Energetic characteristics of two-photon excited luminescence in organic polycrystals", Proc. SPIE 2797, Nonlinear Spectroscopy and Ultrafast Phenomena, (10 May 1996); https://doi.org/10.1117/12.239797

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