Optical homogeneity of ADP crystals from rapid growth

查看全文 作　　者：ZHONG [1]DeGao;TENG [1]Bing;Romano A [2]Rupp;YU [3]Tao;WANG [1]QingGuo;ZHAO [1]YanShuai;HUANG [4]WanXia

机构地区：[1]College of Physics Science, Qingdao University, Qingdao 266071, China;[2]TEDA Applied Physics School, Nankai University, Tianjin 300457, China;[3]Department of Physics, Fuzhou University, Fuzhou 350108, China;[4]Beijing Synchrotron Radiation Laboratory, Institute of High Energy, Chinese Academy of Sciences, Beijing 100039, China

出　　处：《Chinese Science Bulletin》索引2010年第55卷第4期,共4页

基　　金：supported by the National Natural Science Foundation of China (Grant Nos. 10774081 & 10304009);the Natural Science Foundation of Shandong Province (Grant No. Y2007F16);the Fund of National En-gineering Research Center for Optoelectronic Crystalline Materials (Grant No. 2007k08) 摘　　要：ADP (NH4H2PO4) crystals were grown through the traditional method and rapid growth technology. The optical homogeneity of rapid grown ADP crystals was analyzed by laser interferometry and X-ray topography. Laser interferometry revealed sector boundaries at which optical homogeneity decreased dramatically. The main defects that seriously reduced the optical homogeneity of the rapid grown ADP crystal were sector boundaries, growth bands and inclusions. The concentration of Fe and Cr impurities was tested by a plasma emission spectrometer. It was found that the preferential incorporation of metallic impurities into the prismatic faces resulted in high density of growth bands and inclusions, thus reducing optical homogeneity of the prismatic sector. 关键词：光学均匀性晶体生长 ADP 等离子发射光谱仪激光干涉测量金属杂质磷酸二氢铵经济增长

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Optical homogeneity of ADP crystals from rapid growth

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