X光透镜在X射线衍射中的应用
Application of X-ray Lens in X-ray Diffraction
摘 要
介绍了毛细管X光透镜的工作原理和物理特性。将微会聚X光透镜应用于四圆衍射仪,对直径为0.6,0.4和0.2 mm的化合物晶体做了衍射对比试验。结果表明:在衍射分辨率和调光精度达到原来试验要求的前提下,三种尺寸的晶体衍射强度得到了不同程度的提高,其中直径为0.2 mm的化合物晶体的衍射强度增益接近5倍。同时介绍了其在残余应力衍射分析中的应用。
化合物晶体
残余应力
X-ray lens
crystal compounds
residual stress
Abstract
Operating principle and physical characteristics of capillary X-ray lens are introduced. Using the slightly focusing X-ray lens in the four circle X-ray diffractometers,contrast experiment of crystal compounds with different diameter (0.6,0.4 and 0.2 mm) was conducted. The results showed that when diffraction resolution and precision satisfied the requirements of experiments,the diffracted intensities of three crystals mentioned above obtained increase with different degree. And the diffracted intensity of the crystal with 0.2 mm diameter was raised closed to 5 times. In the same time,the residual stresses experimental results of foreign researchers using parallel X-ray lens were introduced.
中图分类号 TG115.22+2
所属栏目 试验技术与方法
基金项目
收稿日期 2008/1/4
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备注李玉德(1965-),男,副研究员,硕士。1X光透镜
引用该论文: LI Yu-de,TAN Guo-tai,LIN Xiao-yan,WANG Da-chun. Application of X-ray Lens in X-ray Diffraction[J]. Physical Testing and Chemical Analysis part A:Physical Testing, 2009, 45(2): 97～100
李玉德,谈国太,林晓燕,王大椿. X光透镜在X射线衍射中的应用[J]. 理化检验－物理分册, 2009, 45(2): 97～100
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参考文献
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【3】Langer E,Dbritz S,Hauffe W,et al. Advances in X-ray excitation of kossel patterns by a focusing polycapillary lens[J]. Applied Surface Science ,2005,252:240．
【4】MacDonald C A,Gibson W M. Applications and advances in polycapillary optics[J]. X-Ray Spectrom,2003,32:258．
【5】Carolina Ribbing,Bjrn Cederstrm,Mats Lundqvist. Microstructured diamond X-ray source and refractive lens[J]. Diamond and Related Materials,2003,12:1793-1799．
【6】Kohn V,Snigireva I,Snigirev A. Diffraction theory of imaging with X-ray compound refractive lens[J]. Optics Communications,2003,216:247-260．
【7】Gibson W M,Macdonald C A,Ullrich F B. Diffraction geometry optimization with polycary X-ray optics[J]. SPIE,1999,3767:199．
【2】Ding Xun-liang,Xie Jing-dong,He Yejun. X-ray spectrometry using polycapillary X-ray optics and position sensitive detector[J]. Talanta,2000,53:17．
【3】Langer E,Dbritz S,Hauffe W,et al. Advances in X-ray excitation of kossel patterns by a focusing polycapillary lens[J]. Applied Surface Science ,2005,252:240．
【4】MacDonald C A,Gibson W M. Applications and advances in polycapillary optics[J]. X-Ray Spectrom,2003,32:258．
【5】Carolina Ribbing,Bjrn Cederstrm,Mats Lundqvist. Microstructured diamond X-ray source and refractive lens[J]. Diamond and Related Materials,2003,12:1793-1799．
【6】Kohn V,Snigireva I,Snigirev A. Diffraction theory of imaging with X-ray compound refractive lens[J]. Optics Communications,2003,216:247-260．
【7】Gibson W M,Macdonald C A,Ullrich F B. Diffraction geometry optimization with polycary X-ray optics[J]. SPIE,1999,3767:199．
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