Optical homogeneity of ADP crystals from rapid growth

被引：3
|
作者：
Zhong DeGao [1 ]
Teng Bing [1 ]
Rupp, Romano A. [2 ]
Yu Tao [3 ]
Wang QingGuo [1 ]
Zhao YanShuai [1 ]
Huang WanXia [4 ]
机构：
[1] Qingdao Univ, Coll Phys Sci, Qingdao 266071, Peoples R China
[2] Nankai Univ, TEDA Appl Phys Sch, Tianjin 300457, Peoples R China
[3] Fuzhou Univ, Dept Phys, Fuzhou 350108, Peoples R China
[4] Chinese Acad Sci, Beijing Synchrotron Radiat Lab, Inst High Energy, Beijing 100039, Peoples R China
来源：
CHINESE SCIENCE BULLETIN | 2010年 / 55卷 / 4-5期
基金：
中国国家自然科学基金;
关键词：
ADP crystal; optical homogeneity; X-ray topography; laser interferometry; SINGLE-CRYSTALS; L-ARGININE; KDP; STEPS; LAYER;
D O I：
10.1007/s11434-009-0723-0
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
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.
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页码：378 / 381
页数：4
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