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IR-to-THz Down Conversion in Nonlinear GaSe:Al Crystals

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The optical properties and hardness of GaSe, GaSe:Al, GaSe:S:Al, and GaSe:Al:O crystals are studied to create effective terahertz radiation generators. Doped crystals differ from pure GaSe in high mechanical and optical properties at a optimum doping level. Oxygen doping allows wide ranging changes in birefringence in the terahertz range.

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Funding

This work was supported by the Russian Science Foundation, project no. 19-19-00241.

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Authors and Affiliations

  1. Institute of High Current Electronics, Siberian Branch, Russian Academy of Sciences, 634055, Tomsk, Russia

    D. M. Lubenko & V. F. Losev

  2. National Research Tomsk State University, 634050, Tomsk, Russia

    D. M. Ezhov

  3. Institute of Monitoring of Climatic and Ecological Systems, Siberian Branch, Russian Academy of Sciences, 634055, Tomsk, Russia

    Yu. M. Andreev & G. V. Lanskii

Authors
  1. D. M. Lubenko
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  2. D. M. Ezhov
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  3. V. F. Losev
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  4. Yu. M. Andreev
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  5. G. V. Lanskii
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Corresponding author

Correspondence to D. M. Lubenko.

Additional information

Translated by A. Ivanov

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Lubenko, D.M., Ezhov, D.M., Losev, V.F. et al. IR-to-THz Down Conversion in Nonlinear GaSe:Al Crystals. Bull. Russ. Acad. Sci. Phys. 84, 780–782 (2020). https://doi.org/10.3103/S1062873820070163

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  • DOI: https://doi.org/10.3103/S1062873820070163

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