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Martínez Matos, Óscar ; Torchia, Gustavo Adrián ; Bilmes, Gabriel M. ; Tocho, Jorge Omar ; Ranea Sandoval, Héctor Francisco | Springer-Verlag | 2005-04The origin of the acoustic signals that are generated in the bulk of a KDP crystal during irradiation with short UV laser pulses is determined. The generation of these signals by excitation with moderate or high optical fluences is linked to the[...]texto impreso
Martínez Matos, Óscar ; Torchia, Gustavo Adrián ; Bilmes, Gabriel M. ; Tocho, Jorge Omar | American Physical Society | 2004-06Transient defects in potassium dihydrogen phosphate (KDP) were characterized by using the acoustic signals generated in the crystal when it is impinged with pulsed laser radiation. These defects are produced by simultaneous absorption of two ?=2[...]texto impreso
Martínez Matos, Óscar ; Torchia, Gustavo Adrián ; Vaveliuk, Pablo ; Bilmes, Gabriel M. ; Tocho, Jorge Omar | IOP Publishing Ltd. | 2002-03Spontaneous noncollinear second harmonic generation in potassium dihydrogen phosphate (KDP) crystals was studied theoretically and experimentally as a function of the scattering centres on the surface of the crystal. A model that explains the ma[...]
