Influence of SiO_3~(2-)Impurity on the Optical Properties of KDP Crystal |
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引用本文: | 丁建旭,卢永强,王圣来,顾庆天,许心光,王正平.Influence of SiO_3~(2-)Impurity on the Optical Properties of KDP Crystal[J].结构化学,2012,31(1):105-109. |
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作者姓名: | 丁建旭 卢永强 王圣来 顾庆天 许心光 王正平 |
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作者单位: | State Key Laboratory of Crystal Materials,Shandong University |
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基金项目: | supported by the National Natural Science Foundation of China (No. 50721002) |
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摘 要: | In this paper,potassium dihydrogen phosphate(KDP) crystals were grown in the presence of a series of silicate(SiO32-) impurity concentrations via conventional temperature cooling and rapid growth methods,respectively.It revealed that the SiO32-impurity could lead to the decrease of transmittance at the region of ultraviolet band for pyramidal sectors and slightly increased the transmittance for prismatic sectors.SiO32-could enter into the crystal lattice and create lattice defects,which consequently increased the density of light scatter.The decrease of laser damage threshold was attributed to the lattice defects and the redundant electrons brought by the replacement of SiO32-at the PO43-position.
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关 键 词: | KDP晶体 杂质对 光学性质 晶格缺陷 激光损伤阈值 磷酸二氢钾 杂质浓度 晶体生长 |
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