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Multibeam second-harmonic generation by spatiotemporal shaping of femtosecond pulses

dc.contributor.authorMartinez Cuenca, Raul
dc.contributor.authorMendoza-Yero, Omel
dc.contributor.authorAlonso, Benjamín
dc.contributor.authorSola, Íñigo Juan
dc.contributor.authorMínguez-Vega, Gladys
dc.contributor.authorLancis, Jesús
dc.date.accessioned2013-04-29T07:23:27Z
dc.date.available2013-04-29T07:23:27Z
dc.date.issued2012
dc.identifier.citationRaúl Martínez-Cuenca, Omel Mendoza-Yero, Benjamín Alonso, Íñigo Juan Sola, Gladys Mínguez-Vega, and Jesús Lancis, "Multibeam second-harmonic generation by spatiotemporal shaping of femtosecond pulses," Opt. Lett. 37, 957-959 (2012)ca_CA
dc.identifier.issn0146-9592
dc.identifier.urihttp://hdl.handle.net/10234/62349
dc.descriptionWe present a technique for efficient generation of the second-harmonic signal at several points of a nonlinear crystal simultaneously. Multispot operation is performed by using a diffractive optical element that splits the near-infrared light of a mode-locked Ti:sapphire laser into an arbitrary array of beams that are transformed into an array of foci at the nonlinear crystal. We show that, for pulse temporal durations under 100 fs, spatiotemporal shaping of the pulse is mandatory to overcome chromatic dispersion effects that spread both in space and time the foci showing a reduced peak intensity that prevents nonlinear phenomena. We experimentally demonstrate arbitrary irradiance patterns for the second-harmonic signal consisting of more than 100 spots with a multipass amplifier delivering 28 fs, 0.8 mJ pulses at 1 kHz repetition rate.ca_CA
dc.description.sponsorShipThis work was supported by the Spanish Ministerio de Ciencia e Innovación (MICINN) and FEDER through the projects FIS2010-15746, FIS2009-09522, and SAUUL (CSD2007-00013) and the Fundació Caixa Castelló (P1- 1B2010-26).ca_CA
dc.format.extent3 p.ca_CA
dc.format.mimetypeapplication/pdfca_CA
dc.language.isoengca_CA
dc.publisherOptical Society of Americaca_CA
dc.relation.isPartOfOptics Letters, Vol. 37, Issue 5, pp. 957-959 (2012)ca_CA
dc.rightsThis paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-37-5-957. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.ca_CA
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/*
dc.subjectDiffractive opticsca_CA
dc.subjectUltrafast measurementsca_CA
dc.subjectUltrafast nonlinear opticsca_CA
dc.titleMultibeam second-harmonic generation by spatiotemporal shaping of femtosecond pulsesca_CA
dc.typeinfo:eu-repo/semantics/articleca_CA
dc.identifier.doihttp://dx.doi.org/10.1364/OL.37.000957
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessca_CA
dc.relation.publisherVersionhttp://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-37-5-957ca_CA
dc.type.versioninfo:eu-repo/semantics/publishedVersionca_CA


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