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Two-photon fluorescence technique of ultra-short laser pulse measurement and the efficiency of nonlinear optical processes

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Abstract

A simple relation is established between the efficiency of an optical doubler excited by a multimode laser with partial mode-locking and the parameters of a two-photon fluorescence (TPF) trace of laser radiation. In general, the efficiency of two quantum processes can be obtained from the measurements of the contrast and the bright spot size of the TPF trace. In several cases these parameters of the TPF trace may be used for approximate estimation of the third and fourth harmonic generation and the stimulated scattering efficiency. It is also shown that for quasi-periodic random radiation the efficiency of nonlinear processes of arbitrary order can be calculated by using a set of correlation functions which depend on one argument only.

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Authors and Affiliations

  1. Department of Physics, Moscow State University, USSR

    S. A. Akhmanov & A. S. Chirkin

Authors
  1. S. A. Akhmanov
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  2. A. S. Chirkin
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Akhmanov, S.A., Chirkin, A.S. Two-photon fluorescence technique of ultra-short laser pulse measurement and the efficiency of nonlinear optical processes. Opto-electronics 3, 111–116 (1971). https://doi.org/10.1007/BF01424089

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  • DOI: https://doi.org/10.1007/BF01424089

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