Abstract
The results of experimental studies of luminescence in ZnO powder under picosecond excitation are presented. It is shown that the luminescence spectrum excited by laser radiation with a wavelength of 1.06 μm contains a 531-nm line. Its intensity multiply increases as the sample is cooled to liquid-nitrogen temperature. The use of excitation with a wavelength of 532 nm gives rise to a line at 388 nm in the anti-Stokes spectral region.
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This study was supported be the Russian Science Foundation, project no. 19-79-30086.
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Translated by A. Kazantsev
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Shevchenko, M.A., Umanskaya, S.F., Abdurakhmonov, S.D. et al. Anti-Stokes luminescence of ZnO powder under picosecond excitation. Bull. Lebedev Phys. Inst. 49, 55–58 (2022). https://doi.org/10.3103/S1068335622020075
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DOI: https://doi.org/10.3103/S1068335622020075