光学学报, 2018, 38 (1): 0134001, 网络出版: 2018-08-31
基于Kirkpatrick-Baez镜聚焦的X射线小角散射显微层析成像 下载: 1540次封面文章
Small-Angle X-Ray Scattering Tomography Based on Micro-Focusing Kirkpatrick-Baez Mirrors
图 & 表
图 1. 微聚焦SAXS-CT原理示意图。(a)实验装置;(b)数据采集流程
Fig. 1. Schematic of micro-focusing SAXS-CT system. (a) Experimental setup; (b) data acquisition flow
图 2. (a)上海同步辐射光源微聚焦SAXS-CT实验装置图;(b)聚焦光斑图像
Fig. 2. (a) Experimental photoes of micro-focusing SAXS-CT at Shanghai Synchrotron Radiation Facility; (b) focusing spot photograph
图 3. 毛竹样品旋转不变性计算结果
Fig. 3. Calculated result of rotational invariance for Phyllostachys edulis
图 4. 毛竹样品微聚焦SAXS-CT实验结果。(a)显微CT重构切片图;(b)二维散射图;(c)使用积分区域Ⅰ重建得到的散射分布切片;(d)使用积分区域Ⅱ重建得到的散射分布切片;(e)维管束处重建得到的二维散射图;(f)薄壁细胞处重建得到的二维散射图
Fig. 4. Micro-focusing SAXS-CT results for Phyllostachys edulis. (a) Micro-CT slice; (b) 2D SAXS pattern; (c) reconstructed integral scattering slice using region of integration Ⅰ; (d) reconstructed integral scattering slice using region of integration Ⅱ; (e) reconstructed 2D SAXS pattern at vascular bundle; (f) reconstructed 2D SAXS pattern at parenchyma cell
图 5. 聚乳酸样品旋转不变性计算结果
Fig. 5. Calculated results of rotational invariance for polylactic acid
图 6. 聚乳酸样品微聚焦SAXS-CT实验结果。(a)显微CT 重建切片图;(b)积分散射重建切片图;(c)~(f)不同位置重建得到的SAXS图
Fig. 6. Micro-focusing SAXS-CT results of polylactic acid. (a) Micro-CT slice; (b) reconstructed integral scattering slice; (c)-(f) reconstructed 2D SAXS patterns at different locations
表 1KB镜的设计参数
Table1. Design parameters of KB mirrors
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胡涛, 滑文强, 王玉丹, 王玉柱, 周平, 洪春霞, 边风刚, 肖体乔. 基于Kirkpatrick-Baez镜聚焦的X射线小角散射显微层析成像[J]. 光学学报, 2018, 38(1): 0134001. Tao Hu, Wenqiang Hua, Yudan Wang, Yuzhu Wang, Ping Zhou, Chunxia Hong, Fenggang Bian, Tiqiao Xiao. Small-Angle X-Ray Scattering Tomography Based on Micro-Focusing Kirkpatrick-Baez Mirrors[J]. Acta Optica Sinica, 2018, 38(1): 0134001.