Keyhole coherent diffractive imaging

被引：265

作者：

Abbey, Brian ^{[1
]}

Nugent, Keith A. ^{[1
]}

Williams, Garth J. ^{[1
]}

Clark, Jesse N. ^{[2
]}

Peele, Andrew G. ^{[2
]}

Pfeifer, Mark A. ^{[2
]}

De Jonge, Martin ^{[3
]}

McNulty, Ian ^{[3
]}

机构：

[1] Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia

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

[3] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA

来源：

NATURE PHYSICS | 2008年 / 4卷 / 05期

基金：

澳大利亚研究理事会;

关键词：

D O I：

10.1038/nphys896

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The availability of third-generation synchrotrons and ultimately X-ray free-electron lasers(1) is driving the development of many new methods of microscopy. Among these techniques, coherent diffractive imaging (CDI) is one of the most promising, offering nanometre-scale imaging of non-crystallographic samples. Image reconstruction from a single diffraction pattern has hitherto been possible only for small, isolated samples, presenting a fundamental limitation on the CDI method. Here we report on a form of imaging we term 'keyhole' CDI, which can reconstruct objects of arbitrary size. We demonstrate the technique using visible light and X-rays, with the latter producing images of part of an extended object with a detector-limited resolution of better than 20 nm. Combining the improved resolution of modern X-ray optics with the wavelength-limited resolution of CDI, the method paves the way for detailed imaging of a single quantum dot or of a small virus within a complex host environment.

引用

页码：394 / 398

页数：5

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