Diffractive imaging using partially coherent X rays

L. W. Whitehead; G. J. Williams; H. M. Quiney; D. J. Vine; R. A. Dilanian; S. Flewett; K. A. Nugent; A. G. Peele; E. Balaur; I. McNulty

doi:10.1103/PhysRevLett.103.243902

Diffractive imaging using partially coherent X rays

L. W. Whitehead, G. J. Williams, H. M. Quiney, D. J. Vine, R. A. Dilanian, S. Flewett, K. A. Nugent, A. G. Peele, E. Balaur, I. McNulty

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138 Scopus citations

Abstract

The measured spatial coherence characteristics of the illumination used in a diffractive imaging experiment are incorporated in an algorithm that reconstructs the complex transmission function of an object from experimental x-ray diffraction data using 1.4 keV x rays. Conventional coherent diffractive imaging, which assumes full spatial coherence, is a limiting case of our approach. Even in cases in which the deviation from full spatial coherence is small, we demonstrate a significant improvement in the quality of wave field reconstructions. Our formulation is applicable to x-ray and electron diffraction imaging techniques provided that the spatial coherence properties of the illumination are known or can be measured.

Original language	English
Article number	243902
Journal	Physical Review Letters
Volume	103
Issue number	24
DOIs	https://doi.org/10.1103/PhysRevLett.103.243902
State	Published - 11 Dec 2009
Externally published	Yes

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abstract = "The measured spatial coherence characteristics of the illumination used in a diffractive imaging experiment are incorporated in an algorithm that reconstructs the complex transmission function of an object from experimental x-ray diffraction data using 1.4 keV x rays. Conventional coherent diffractive imaging, which assumes full spatial coherence, is a limiting case of our approach. Even in cases in which the deviation from full spatial coherence is small, we demonstrate a significant improvement in the quality of wave field reconstructions. Our formulation is applicable to x-ray and electron diffraction imaging techniques provided that the spatial coherence properties of the illumination are known or can be measured.",

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AU - Williams, G. J.

AU - Quiney, H. M.

AU - Vine, D. J.

AU - Dilanian, R. A.

AU - Flewett, S.

AU - Nugent, K. A.

AU - Peele, A. G.

AU - Balaur, E.

AU - McNulty, I.

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AB - The measured spatial coherence characteristics of the illumination used in a diffractive imaging experiment are incorporated in an algorithm that reconstructs the complex transmission function of an object from experimental x-ray diffraction data using 1.4 keV x rays. Conventional coherent diffractive imaging, which assumes full spatial coherence, is a limiting case of our approach. Even in cases in which the deviation from full spatial coherence is small, we demonstrate a significant improvement in the quality of wave field reconstructions. Our formulation is applicable to x-ray and electron diffraction imaging techniques provided that the spatial coherence properties of the illumination are known or can be measured.

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Diffractive imaging using partially coherent X rays

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