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Specific Features of XeCl*-Laser Radiation Absorption by Concentrated Solutions of Organic Dyes

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Abstract

The transmission of focused laser radiation with power densities in the range (1–250) MW/cm2 through solutions of laser dyes (substituted paraterphenyls and rhodamine 6G) is investigated. The dependence of the transmission on the exciting radiation power density is measured, and numerical modeling is used to estimate the lifetime of the fluorescent state of molecules and the influence of stimulated emission on the lifetime of the S 1 state. The effect of scattering on the transmission of highly absorbing media is demonstrated under nanosecond excitation.

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Authors and Affiliations

  1. V. D. Kuznetsov Siberian Physical-Technical Institute at Tomsk State University, Russia

    V. A. Svetlichnyi, D. N. Filinov & I. N. Lapin

Authors
  1. V. A. Svetlichnyi
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  2. D. N. Filinov
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  3. I. N. Lapin
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Svetlichnyi, V.A., Filinov, D.N. & Lapin, I.N. Specific Features of XeCl*-Laser Radiation Absorption by Concentrated Solutions of Organic Dyes. Russian Physics Journal 46, 493–499 (2003). https://doi.org/10.1023/A:1026278008224

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  • DOI: https://doi.org/10.1023/A:1026278008224

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