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dc.contributor.authorGarcía-Lechuga, Mario-
dc.contributor.authorSiegel, Jan-
dc.contributor.authorHernández Rueda, Javier-
dc.contributor.authorSolís Céspedes, Javier-
dc.date.accessioned2015-02-27T10:19:21Z-
dc.date.available2015-02-27T10:19:21Z-
dc.date.issued2014-
dc.identifierdoi: 10.1063/1.4895833-
dc.identifierissn: 1089-7550-
dc.identifier.citationJournal of Applied Physics 116: 113502 (2014)-
dc.identifier.urihttp://hdl.handle.net/10261/111475-
dc.description.abstract© 2014 AIP Publishing LLC. The interaction of high-power single 130 femtosecond (fs) laser pulses with the surface of Lithium Niobate is experimentally investigated in this work. The use of fs-resolution time-resolved microscopy allows us to separately observe the instantaneous optical Kerr effect induced by the pulse and the generation of a free electron plasma. The maximum electron density is reached 550fs after the peak of the Kerr effect, confirming the presence of a delayed carrier generation mechanism. We have also observed the appearance of transient Newton rings during the ablation process, related to optical interference of the probe beam reflected at the front and back surface of the ablating layer. Finally, we have analyzed the dynamics of the photorefractive effect on a much longer time scale by measuring the evolution of the transmittance of the irradiated area for different fluences below the ablation threshold.-
dc.description.sponsorshipThis work has been partially supported by the Spanish TEC2011-22422 project. M.G.-L. and J.H.-R. acknowledge FPU and FPI grants, respectively, awarded by the Spanish Ministries of Education and of Economy and Competitiveness.-
dc.publisherAmerican Institute of Physics-
dc.rightsopenAccess-
dc.titleImaging the ultrafast Kerr effect, free carrier generation, relaxation and ablation dynamics of Lithium Niobate irradiated with femtosecond laser pulses-
dc.typeartículo-
dc.identifier.doi10.1063/1.4895833-
dc.date.updated2015-02-27T10:19:21Z-
dc.description.versionPeer Reviewed-
dc.language.rfc3066eng-
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