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    Article

    Optical Properties and Terahertz Radiation Generation in a LI2B4O7 Crystal

    Spectral dependences of components of the refractive index and absorption coefficient in a Li2B4O7 (LB4) nonlinear crystal are determined in the THz range for the first time. Measurements have been carried out in...

    N. A. Nikolaev, A. A. Mamrashev, Yu. M. Andreev, D. M. Ezhov in Russian Physics Journal (2021)

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    Article

    Remote Imaging by Nanosecond Terahertz Spectrometer with Standoff Detector

    Creation and application of the remote imaging spectrometer based on high power nanosecond terahertz source with standoff detector is reported. 2D transmission images of metal objects hided in nonconductive (d...

    J.-G. Huang, Z.-M. Huang, Yu. M. Andreev, K. A. Kokh in Russian Physics Journal (2018)

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    Article

    Down-Conversion of Short-Wavelength Radiation in LBO Crystal

    Comparative model analysis of the possibilities of down-conversion into the terahertz (THz) frequency range of radiation of all-solid-state femtosecond Ti:Sapphire laser systems and hybrid systems based on the...

    N. G. Kononova, A. E. Kokh, K. A. Kokh, G. V. Lanskii in Russian Physics Journal (2016)

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    Optimal Do** of GaSe Crystals for Nonlinear Optics Applications

    Centimeter-sized crystals of GaSe have been grown by a modified vertical Bridgman method from a melt with content 0.01, 0.05, 0.1, 0.2, 0.5, 1, and 2 at.% Al and 0.025, 0.1, 0.5, 1, and 2 at.% Er using heat fi...

    Yu. M. Andreev, E. A. Vaitulevich, K. A. Kokh, G. V. Lanskii in Russian Physics Journal (2014)

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    Optical properties of nonlinear solid solution GaSe1-x S x (0 < x ≤ 0.4) crystals

    Transmission spectra and phase matching conditions for second harmonic generation in GaSe1–x S x (0 < x ≤ 0.4) solid solution crystals are experimentally...

    S.-A. Ku, C.-W. Luo, H.-L. Lio, K.-H. Wu, J.-Y. Juang in Russian Physics Journal (2008)

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    Article

    GaSe1−x S x solid solutions

    The most probable parameters of the pure, doped, and mixed GaSe1−xSx (x ≤ 0.4) crystals (solid solutions) are presented together with the results of investigations of their crystal structure and defects, optical ...

    T.-J. Wang, J.-C. Gao, Yu. M. Andreev, S. A. Bereznaya in Russian Physics Journal (2007)