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Dependence of the Two-Photon Absorption Coefficient of Steel on the Pulse Duration During Its Ablation by Femto- and Picosecond Laser Pulses

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dc.contributor.authorSmirnov, N. A.
dc.contributor.authorGakovic, B.
dc.contributor.authorMilovanovic, D.
dc.contributor.authorIonin, A. A.
dc.contributor.authorKudryashov, S. I.
dc.contributor.authorBezhanov, S. G.
dc.contributor.authorUryupin, S. A.
dc.contributor.authorБежанов, Станислав Георгиевич
dc.contributor.authorУрюпин, Сергей Александрович
dc.date.accessioned2024-11-22T06:42:38Z
dc.date.available2024-11-22T06:42:38Z
dc.date.issued2019
dc.description.abstract© 2019, Pleiades Publishing, Inc.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.
dc.format.extentС. 107-110
dc.identifier.citationDependence of the Two-Photon Absorption Coefficient of Steel on the Pulse Duration During Its Ablation by Femto- and Picosecond Laser Pulses / Smirnov, N.A. [et al.] // JETP Letters. - 2019. - 110. - № 2. - P. 107-110. - 10.1134/S0021364019140091
dc.identifier.doi10.1134/S0021364019140091
dc.identifier.urihttps://www.doi.org/10.1134/S0021364019140091
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85073187743&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000487897500004
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/19693
dc.relation.ispartofJETP Letters
dc.titleDependence of the Two-Photon Absorption Coefficient of Steel on the Pulse Duration During Its Ablation by Femto- and Picosecond Laser Pulses
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue2
oaire.citation.volume110
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