Multibeam second-harmonic generation by spatiotemporal shaping of femtosecond pulses
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Otros documentos de la autoría: Martinez Cuenca, Raul; Mendoza-Yero, Omel; Alonso, Benjamín; Sola, Íñigo Juan; Mínguez-Vega, Gladys; Lancis, Jesús
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Mostrar el registro completo del ítemcomunitat-uji-handle:10234/9
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INVESTIGACIONMetadatos
Título
Multibeam second-harmonic generation by spatiotemporal shaping of femtosecond pulsesAutoría
Fecha de publicación
2012Editor
Optical Society of AmericaISSN
0146-9592Cita bibliográfica
Raúl 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)Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-37-5-957Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Descripción
We 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 ... [+]
We 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. [-]
Publicado en
Optics Letters, Vol. 37, Issue 5, pp. 957-959 (2012)Derechos de acceso
This 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.
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