Simultaneous sample and spatial coherence characterisation using diffractive imaging

被引：47

作者：

Clark, Jesse N. ^{[1
,2
]}

Peele, Andrew G. ^{[1
,2
,3
]}

机构：

[1] La Trobe Univ, Dept Phys, Bundoora, Vic 3086, Australia

[2] Australian Res Council, Ctr Excellence Coherent Xray Sci, Melbourne, Vic, Australia

[3] Australian Synchrotron, Clayton, Vic 3168, Australia

来源：

APPLIED PHYSICS LETTERS | 2011年 / 99卷 / 15期

基金：

澳大利亚研究理事会;

关键词：

PHASE RETRIEVAL; FOURIER-TRANSFORM; RECONSTRUCTION; MICROSCOPY; CONSTRAINT; MODULUS; OBJECT;

D O I：

10.1063/1.3650265

中图分类号：

O59 [应用物理学];

学科分类号：

070305 [高分子化学与物理];

摘要：

We demonstrate an algorithm that reconstructs the complex transmission function of an object from experimental X-ray diffraction data using partially coherent 1.4 keV X-rays that does not require a priori input of the coherence function. The quality of the reconstruction is significantly better than that obtained by assuming that the illumination is fully coherent. Our approach can be readily applied to diffraction imaging problems where a model for the spatial coherence can be assumed. (C) 2011 American Institute of Physics. [doi:10.1063/1.3650265]

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页数：3

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