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

URI	http://purl.tuc.gr/dl/dias/7F0D064F-5257-49C3-AAFE-875E9EE3199B	-
Identifier	https://doi.org/10.1016/S0030-4018(96)00761-4	-
Language	en	-
Title	Nonlinear enhancement of the efficiency of the second harmonic radiation produced by ultrashort laser pulses on a gold surface	en
Creator	Papadogiannis N.A	en
Creator	Moustaizis Stavros	en
Creator	Μουσταιζης Σταυρος	el
Publisher	Elsevier	en
Content Summary	An 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 Item	Peer-Reviewed Journal Publication	en
Type of Item	Δημοσίευση σε Περιοδικό με Κριτές	el
License	http://creativecommons.org/licenses/by/4.0/	en
Date of Item	2015-11-20	-
Date of Publication	1997	-
Bibliographic Citation	N.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)00761-4	en

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