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Observation of the inversion of second and third harmonic generation efficiencies on a gold surface in the femtosecond regime

Papadogiannis N.A , Loukakos P.A, Moustaizis Stavros

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URIhttp://purl.tuc.gr/dl/dias/9F95A3F5-AC2C-4568-A708-64AD9D540447-
Identifierhttps://doi.org/10.1016/S0030-4018(99)00273-4-
Languageen-
TitleObservation of the inversion of second and third harmonic generation efficiencies on a gold surface in the femtosecond regimeen
CreatorPapadogiannis N.A en
Creator Loukakos P.Aen
CreatorMoustaizis Stavrosen
CreatorΜουσταιζης Σταυροςel
PublisherElsevieren
Content SummaryWe present measurements of second and third harmonic generation efficiencies of gold, induced by p-polarized 290 fs Ti:sapphire laser pulses at 800 nm, in a broad intensity regime up to the plasma threshold. Inversion of second and third harmonic generation conversion efficiencies is successfully demonstrated for laser intensities below the limit of breakdown of perturbation theory. Non-linear enhancement in the efficiencies of harmonics, caused by the thermal non-equilibrium between the electron gas and lattice, as well as intensity saturation phenomena, are also observed and discussed.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 Publication1999-
Bibliographic CitationN.A Papadogiannis, P.A Loukakos, S.D Moustaizis," Observation of the inversion of second and third harmonic generation efficiencies on a gold surface in the femtosecond regime," Optics Communications, vol.166, no. 1-6, pp. 133–139, 1999, doi: 10.1016/S0030-4018(99)00273-4en

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