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中文摘要：
用传统降温法和快速生长法生长了Al3＋离子掺杂的磷酸二氢钾（KDP）晶体,并对掺杂的KDP晶体的光学质量进行了测试和分析。实验表明,Al3＋掺杂对KDP晶体的透光率没有明显的影响,但会使晶体的光散射加剧,光学均匀性和激光损伤阈值下降。
英文摘要：
KDP crystals were grown by traditional temperature cooling method and point seed technique method respectively.The properties of crystals,such as transmittance,optical homogeneity,scatter particles,laser damage threshold （LDT） were determined in detail.The results show that Al3＋ impurity has no obvious effect on the transmittance of crystals grown by both methods.More scatters were observed inside crystals when the concentration of Al3＋ impurity increased.The homogeneity and LDT were lowered evidently with the increase of impurity in solution.The LDTs of the crystals grown by point seed technique are lower than those of crystals grown by traditional temperature cooling method.
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