Nonlinear Excitation of Luminescence of Wide-Gap Crystals by Femtosecond Laser Radiation

被引：0
|
作者：
Baryshnikov, V.I. [1 ]
Goreva, O.V. [1 ]
Kolesnikova, T.A. [1 ]
Nikonovich, O.L. [1 ]
Murzina, Yu. A. [1 ]
机构：
[1] Irkutsk State Transport University, Irkutsk,664074, Russia
来源：
Bulletin of the Russian Academy of Sciences: Physics | 2024年 / 88卷 / 07期
关键词：
Femtosecond lasers;
D O I：
10.1134/S1062873824707013
中图分类号：
学科分类号：
摘要：
Abstract: The features of nonlinear excitation of photoluminescence of wide-gap crystals by femtosecond laser radiation were studied. It was determined that, during multiphoton ionization of the proper substance of crystals, the excitation of intrinsic 2pO2– valence-band photoluminescence has a long-wavelength threshold. The yield of the impurity photoluminescence excited by the capture of the band electrons and holes induced during the nonlinear ionization of the proper substance reaches saturation with increasing intensity of femtosecond laser pulses. © Pleiades Publishing, Ltd. 2024. ISSN 1062-8738, Bulletin of the Russian Academy of Sciences: Physics, 2024, Vol. 88, No. 7, pp. 1022–1025. Pleiades Publishing, Ltd., 2024.
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页码：1022 / 1025
页数：3
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