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Influence of frequency modulation of IR femtosecond laser pulse on the generation efficiency of difference frequency radiation

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Journal of Contemporary Physics (Armenian Academy of Sciences) Aims and scope

Abstract

The results of theoretical research and numerical simulation of the generation process of difference frequency radiation by the IR femtosecond laser pulse with the frequency modulation are presented. It is shown that to obtain the maximal generation efficiency of the difference frequency radiation, the instantaneous frequency of the femtosecond IR laser pulse should be the quadratic function of time. The obtained results are independent on the type of nonlinear crystal and can be used to develop and create the pulse source of difference frequency radiation.

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Authors and Affiliations

  1. National Institute of Metrology, Yerevan, Armenia

    D. L. Hovhannisyan & A. H. Vardanyan

  2. Yerevan State University, Yerevan, Armenia

    G. D. Hovhannisyan

Authors
  1. D. L. Hovhannisyan
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  2. A. H. Vardanyan
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  3. G. D. Hovhannisyan
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Corresponding author

Correspondence to D. L. Hovhannisyan.

Additional information

Original Russian Text © D.L. Hovhannisyan, A.H. Vardanyan, G.D. Hovhannisyan, 2017, published in Izvestiya Natsional'noi Akademii Nauk Armenii, Fizika, 2017, Vol. 52, No. 1, pp. 26–44.

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Hovhannisyan, D.L., Vardanyan, A.H. & Hovhannisyan, G.D. Influence of frequency modulation of IR femtosecond laser pulse on the generation efficiency of difference frequency radiation. J. Contemp. Phys. 52, 18–31 (2017). https://doi.org/10.3103/S1068337217010042

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  • DOI: https://doi.org/10.3103/S1068337217010042

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