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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2019, Volume 110, Issue 2, Pages 90–94
DOI: https://doi.org/10.1134/S0370274X19140042
(Mi jetpl5953)
 

This article is cited in 4 scientific papers (total in 4 papers)

OPTICS AND NUCLEAR PHYSICS

Dependence of the two-photon absorption coefficient of steel on the pulse duration during its ablation by femto- and picosecond laser pulses

S. I. Kudryashovab, N. A. Smirnova, B. Gakovicc, D. Milovanovicc, S. G. Bezhanovba, S. A. Uryupinab, A. A. Ionina

a Lebedev Physical Institute, Russian Academy of Sciences, Moscow, Russia
b Moscow Engineering Physics Institute, National Research Nuclear University MEPhI, Moscow, Russia
c Institute of Nuclear Sciences VINČA, Belgrade University, Belgrade, Republic of Serbia
Full-text PDF (384 kB) Citations (4)
References:
Abstract: The dependences of the depth of single-pulse ablation of the steel surface on the energy density of ultrashort laser pulses (0.3-12 ps) with a wavelength of 515 nm have the form different from the usual logarithmic one for linear absorption of radiation. Since the density of states of free conduction electrons in the $s$ band is low, and the $d$ band of strongly bound electrons with a high density of states is located around the Fermi level, these dependences have been approximated within the two-photon absorption model. The two-photon absorption coefficient increases almost linearly with the duration of laser pulses, which indicates the saturation of absorption and allows estimating the corresponding parameters of the electronic subsystem.
Funding agency Grant number
Russian Foundation for Basic Research 17-02-00648_а
Received: 14.05.2019
Revised: 27.05.2019
Accepted: 28.05.2019
English version:
Journal of Experimental and Theoretical Physics Letters, 2019, Volume 110, Issue 2, Pages 107–110
DOI: https://doi.org/10.1134/S0021364019140091
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: S. I. Kudryashov, N. A. Smirnov, B. Gakovic, D. Milovanovic, S. G. Bezhanov, S. A. Uryupin, A. A. Ionin, “Dependence of the two-photon absorption coefficient of steel on the pulse duration during its ablation by femto- and picosecond laser pulses”, Pis'ma v Zh. Èksper. Teoret. Fiz., 110:2 (2019), 90–94; JETP Letters, 110:2 (2019), 107–110
Citation in format AMSBIB
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\crossref{https://doi.org/10.1134/S0370274X19140042}
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  • This publication is cited in the following 4 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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    References:27
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