Three-dimension elemental mapping based on coherent X-ray diffraction imaging

ZHU Jiangwei~

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Three-dimension elemental mapping based on coherent X-ray diffraction imaging

更新时间：2021-03-05

- Three-dimension elemental mapping based on coherent X-ray diffraction imaging
- NUCLEAR TECHNIQUES Vol. 35, Issue 4, (2012)
- 作者机构：
  
  1. 中国科学院上海应用物理研究所
  2. 中国科学院研究生院
- 作者简介：
- 基金信息：
- DOI：
  CLC： O434.14
- Published：01 April 2012
- 稿件说明：
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[1]祝江威,许子健,刘海岗,张祥志,郭智,王勇,邰仁忠.基于X射线相干衍射成像的元素分布成像[J].核技术,2012,35(04):245-250.

ZHU Jiangwei~. Three-dimension elemental mapping based on coherent X-ray diffraction imaging[J]. Nuclear techniques, 2012, 35(4): 245-250.
[1]祝江威,许子健,刘海岗,张祥志,郭智,王勇,邰仁忠.基于X射线相干衍射成像的元素分布成像[J].核技术,2012,35(04):245-250. DOI：

ZHU Jiangwei~. Three-dimension elemental mapping based on coherent X-ray diffraction imaging[J]. Nuclear techniques, 2012, 35(4): 245-250. DOI：

摘要

基于上海光源软X射线谱学显微线站的特点和相干X射线衍射成像（CDI）技术

对软X射线相干衍射成像方法的一个重要应用:元素分布成像及含量分析进行了模拟研究。推导了CDI相比双能分析算法并进行了理论模拟

估算了能够分辨的最小物质含量

并分析了CDI实验噪声等因素对元素分布成像的影响。所得结果可对软X射线CDI的实际应用提供理论指导。

Abstract

Based on the characteristics of soft X-ray spectro-microscopy at Shanghai Synchrotron Radiation Facility (SSRF)

we explore in this paper the possibility of performing soft X-ray CDI(coherent X-ray diffraction imaging) for 3D elemental mapping.The dual-energy contrast analysis algorithm of CDI is deduced.The experiment method is simulated with Fe as the element under analysis in an organic sample(with C as the major element beyond analysis). The analysis sensitivity is estimated

and noise effect on the elemental mapping is analyzed.The results are of help in developing the soft X-ray CDI application.

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清华大学粒子技术与辐射成像教育部重点实验室

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