Optics and Spectroscopy
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- 2023
- 2022
Nature diamond luminescence induced by ultrashort UV-range laser pulses
Pomazkin D. A.
1, Danilov P. A.
1, Rimskaya E. N.1, Smirnov N.A.
1, Kuzmin E.V.
1, Kriulina G.Y.
2, Kudryashov S.I.
1
1Lebedev Physical Institute, Russian Academy of Sciences, Moscow, Russia
2Lomonosov Moscow State University, Moscow, Russia
2Lomonosov Moscow State University, Moscow, Russia
Email: dpomazkin@lebedev.ru, pavel-danilov2009@yandex.ru, rimskaya@lebedev.ru, smirnovna@lebedev.ru, kuzmine@lebedev.ru, g.kriulina@lebedev.ru, kudryashovsi@lebedev.ru
In this paper nature crystals of the pink and brown colored diamonds with the evident plastic deformations were comprehensively studied with IR-Fourier spectroscopy and photoluminescence methods. A- and B-centers presence were revealed by IR-Fourier specters. Femtosecond (250 fs) UV-range laser pulses with wavelength of 257, 320, 352 and 365 nm induced photoluminescence demonstrates N3 and H3 photoluminescence centers and broad structureless A-band luminescence. It was found that UV radiation with a wavelength of 257 and 320 nm does not cause A-band luminescence, which might be due to direct interband photoexcitation of diamond. Keywords: femtosecond laser pulses, diamond luminescence, luminescence centers, ultraviolet laser radiation. DOI: 10.61011/EOS.2023.02.55778.11-23
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