Light-induced absorption of cerium-doped lead barium niobate crystals
Optics Letters, Vol. 23, Issue 20, pp. 1618-1620 (1998)
http://dx.doi.org/10.1364/OL.23.001618
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Abstract
Tetragonal lead barium niobate (Pb1–xBaxNb2O6;1-x<0.63) crystals are promising photorefractive materials for applications such as holographic data storage. Measurements of light-induced absorption in Ce-doped lead barium niobate (Pb0.5Ba0.5 Nb2O6) were performed. The induced absorption that was due to the presence of shallow traps was as large as 0.3cm-1 at 633 nm and exhibited saturation behavior at green-pump intensity greater than 2W/cm2 . 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
[of America ]
OCIS Codes
(160.2900) Materials : Optical storage materials
(190.5330) Nonlinear optics : Photorefractive optics
Citation
Alice Liu, Myeongkyu Lee, Lambertus Hesselink, Sang-Heun Lee, and Ki-Soo Lim, "Light-induced absorption of cerium-doped lead barium niobate crystals," Opt. Lett. 23, 1618-1620 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-20-1618
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