A coherence function approach to image simulation

A coherence function approach to image simulation
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图像模拟的相干函数方法

DOI：
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发表时间：
1998
期刊：
影响因子：
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通讯作者：
P. Schorsch
P. Schorsch
中科院分区：
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文献类型：
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作者：
Heiko Müller;Harald Rose;P. Schorsch

文献摘要

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提出了一种定量正确的电子显微照片模拟理论，该理论考虑了电子显微镜内图像形成的部分相干过程。新方法基于部分相干电子波场的互相干函数的传播。我们的方法导致了广义多层算法的制定。介绍了零损失电子和非弹性散射电子成像的应用。此外，还详细研究了热漫散射的影响。
A quantitatively correct theory of the simulation of electron micrographs is proposed which considers the partially coherent process of image formation within the electron microscope. The new approach is based on the propagation of the mutual coherence function of the partially coherent electron wave field. Our method leads to the formulation of a generalized multislice algorithm. Applications to imaging with zero‐loss electrons and inelastically scattered electrons are presented. In addition the effect of thermal diffuse scattering is investigated in detail.