Abstract
The photorefractive effect in lithium niobate crystals ( LiNbO3) is investigated using femtosecond (fs) laser pulses. This research is triggered by an increasing interest in using LiNbO3 for nonlinear applications with high light intensities [1]. Such applications are affected by the photorefractive effect, since it can destroy the beam profiles and the phase matching conditions due to “optical damage” and “light-induced scattering”. To make measurements with ultra-high intensities, fs pulses are quite convenient. In addition, interesting photorefractive effects have already been discovered using short pulses and LiNbO3 [2, 3].
© 2009 IEEE
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