Abstract:We have observed the formation of photorefractive spatial quasi-stead-state solitons in SBN:75 crystal by electric field with white beam as background and signal beam intensity of μW magnitude. It was found that the electric field had obvious effect on the characteristics of laser beam propagation in crystal. It showed a performance of self-focusing that the output beam from the crystal is proportional to the voltage of the external electric field along the c-axis of the crystal.At the voltage of 900V(1800V/cm… Show more
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