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Nonlinear enhancement of the efficiency of the second harmonic radiation produced by ultrashort laser pulses on a gold surface

Papadogiannis N.A, Moustaizis Stavros

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URIhttp://purl.tuc.gr/dl/dias/7F0D064F-5257-49C3-AAFE-875E9EE3199B-
Identifierhttps://doi.org/10.1016/S0030-4018(96)00761-4-
Languageen-
TitleNonlinear enhancement of the efficiency of the second harmonic radiation produced by ultrashort laser pulses on a gold surfaceen
Creator Papadogiannis N.Aen
CreatorMoustaizis Stavrosen
CreatorΜουσταιζης Σταυροςel
PublisherElsevieren
Content SummaryAn unexpected nonlinear enhancement in the efficiency of the second harmonic generation as a function of the fundamental laser intensity is observed, when a gold surface is illuminated by few tens of GW/cm2 subpicosecond pulses of an excimer-pumped dye laser at grazing incidence. The evidence of this effect is tested by time resolved autocorrelation measurements. This enhancement is attributed to the thermal nonequilibrium, between the electron gas and lattice subsystems, produced by the subpicosecond laser pulses on the metallic surface.en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2015-11-20-
Date of Publication1997-
Bibliographic CitationN.A Papadogiannis, S.D Moustaizis,"Nonlinear enhancement of the efficiency of the second harmonic radiation produced by ultrashort laser pulses on a gold surface," Optics Communications, vol. 137, no. 1-3, pp. 174–180, 1997, doi: 10.1016/S0030-4018(96)00761-4en

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