Abstract
We report on the photorefractive properties of rhodium doped relaxor Pb (Zn1/3Nb2/3) O3 - PbTiO3 (PZN-PT) crystals. We have grown two Rh doped 0.91 PZN- 0.09 PT single crystals with different Rh concentrations, one is 0.01 wt.% and the other is 0.2 wt.%, with flux solution method. They were cut, polished, and poled along [110] direction. Two wave mixing experiments are done at the wavelengths 488, 633, 788, and 1064 nm. We obtained the two-wave mixing gain coefficient of 21 cm-1 at 488 nm, and improvement of the gain at 788 and 1064 nm. We also measured photovoltaic effect and obtained the maximum value of 900 V/cm at 532nm in 0.2 wt.% Rh doped PZN-PT.
© 2005 Optical Society of America
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