Dependence of grating dark decay on temperature in some BaTiO3 crystals

Mingjun Chi; Hongwei Song; Shuoxing Dou; Yong Zhu; Peixian Ye

doi:10.1117/12.318146

17 August 1998 Dependence of grating dark decay on temperature in some BaTiO₃ crystals

Mingjun Chi, Hongwei Song, Shuoxing Dou, Yong Zhu, Peixian Ye

Proceedings Volume 3554, Photorefractive Materials: Phenomena and Related Applications II; (1998) https://doi.org/10.1117/12.318146
Event: Photonics China '98, 1998, Beijing, China

Abstract

Grating dark decay in an undoped, a Rh-doped, three Ce-doped and a (Ce, Rh)-doped BaTiO₃ crystals were systematically studied at room and elevated temperatures. Depth of the impurity levels and the dark decay time constant in these crystals were determined. The result show that the impurity levels related with photorefraction in the doped crystals have different origins from that in the undoped sample and the photorefractive center was caused by doping. In the (Ce Rh)-doped crystal, the results suggest that there are two deep levels caused by the dopings of Ce and Rh.

Citation Download Citation

Mingjun Chi, Hongwei Song, Shuoxing Dou, Yong Zhu, and Peixian Ye "Dependence of grating dark decay on temperature in some BaTiO₃ crystals", Proc. SPIE 3554, Photorefractive Materials: Phenomena and Related Applications II, (17 August 1998); https://doi.org/10.1117/12.318146

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