Abstract
Tetragonal lead barium niobate crystals are promising photorefractive materials for applications such as holographic data storage. Measurements of light-induced absorption in Ce-doped lead barium niobate were performed. The induced absorption that was due to the presence of shallow traps was as large as at 633 nm and exhibited saturation behavior at green-pump intensity greater than . The temporal profile of the dark decay was a double exponential, and the activation energies of the slow- and the fast-decaying components were determined to be 0.16 and 0.3 eV, respectively.
© 1998 Optical Society of America
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