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Martínez Matos, Óscar ; Torchia, Gustavo Adrián ; Lencina, Alberto Germán ; Tocho, Jorge Omar | Springer-Verlag | 2008-05Volume grating formation by spatially-selective defect bleaching is demonstrated in coloured KCl:CO_3K_2 crystals. The sample is coloured by a train of pulses with a wavelength of ?=?266 nm and bleached with a cw Ar-laser with a wavelength of ?=[...]texto impreso
Vaveliuk, Pablo ; Lencina, Alberto Germán ; Rodrigo Martín-Romo, José Augusto ; Martínez Matos, Óscar | Alan E. Willner, University of Southern California | 2014-04-15In this Letter a new class of light beam arisen from the symmetrization of the spectral cubic phase of an Airy beam is presented. The symmetric Airy beam exhibits peculiar features. It propagates at initial stages with a single central lobe that[...]
