New method for identification of impurity levels in photorefractive crystals

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

doi:10.1117/12.318126

17 August 1998 New method for identification of impurity levels in photorefractive crystals

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

Proceedings Volume 3554, Photorefractive Materials: Phenomena and Related Applications II; (1998) https://doi.org/10.1117/12.318126
Event: Photonics China '98, 1998, Beijing, China

Abstract

The thermo-induced absorption spectrum was demonstrated, for the first time, to be a useful technique for the study and identification of impurity levels in photorefractive crystals. With this technique, the absorption peak generated by the Ce-doping in BaTiO₃:Ce was revealed and identified, the related impurity level and the optical transition were determined.

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Hongwei Song, Mingjun Chi, Shuoxing Dou, Yong Zhu, and Peixian Ye "New method for identification of impurity levels in photorefractive crystals", Proc. SPIE 3554, Photorefractive Materials: Phenomena and Related Applications II, (17 August 1998); https://doi.org/10.1117/12.318126

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