17 August 1998 New method for identification of impurity levels in photorefractive crystals
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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, 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); doi: 10.1117/12.318126; https://doi.org/10.1117/12.318126
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