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Quantitative X-ray wavefront measurements of Fresnel zone plate and K-B mirrors using phase retrieval

Huang, X; Wojcik, M; Burdet, N; Peterson, I; Morrison, GR; Vine, DJ; Legnini, D; ... Robinson, IK; + view all (2012) Quantitative X-ray wavefront measurements of Fresnel zone plate and K-B mirrors using phase retrieval. Optics Express , 20 (21) pp. 24038-24048. 10.1364/OE.20.024038. Green open access

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Abstract

A scanning coherent diffraction imaging method was used to reconstruct the X-ray wavefronts produced by a Fresnel zone plate (FZP) and by Kirkpatrick-Baez (KB) focusing mirrors. The ptychographical measurement was conducted repeatedly by placing a lithographed test sample at different defocused planes. The wavefronts, recovered by phase-retrieval at well-separated planes, show good consistency with numerical propagation results, which provides a self-verification. The validity of the obtained FZP wavefront was further confirmed with theoretical predictions.

Type: Article
Title: Quantitative X-ray wavefront measurements of Fresnel zone plate and K-B mirrors using phase retrieval
Location: United States
Open access status: An open access version is available from UCL Discovery
DOI: 10.1364/OE.20.024038
Publisher version: http://dx.doi.org/10.1364/OE.20.024038
Language: English
Additional information: Copyright © 2012 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.
Keywords: Equipment Design, Equipment Failure Analysis, Lenses, Refractometry, X-Rays
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > London Centre for Nanotechnology
URI: http://discovery.ucl.ac.uk/id/eprint/1379195
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