Shack-Hartmann wavefront sensors based on 2D refractive lens arrays and super-resolution multi-contrast X-ray imaging

Abstract

Different approaches of 2D lens arrays as Shack-Hartmann sensors for hard X-rays are compared. For the first time, a combination of Shack-Hartmann sensors for hard X-rays (SHSX) with a super-resolution imaging approach to perform multi-contrast imaging is demonstrated. A diamond lens is employed as a well known test object. The interleaving approach has great potential to overcome the 2D lens array limitation given by the two-photon polymerization lithography. Finally, the radiation damage induced by continuous exposure of an SHSX prototype with a white beam was studied showing a good performance of several hours. The shape modification and influence in the final image quality are presented.

Original language	English
Pages (from-to)	788-795
Number of pages	8
Journal	Journal of Synchrotron Radiation
Volume	27
DOIs	https://doi.org/10.1107/S1600577520002830
Publication status	Published - 1 May 2020

Keywords

Interleaving measurement
Phase-contrast imaging
Polymer refractive lenses
Sample-shift multi-contrast imaging
Shack-Hartmann sensor for hard X-rays

ASJC Scopus subject areas

Radiation
Nuclear and High Energy Physics
Instrumentation

Access to Document

10.1107/S1600577520002830

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Shack-Hartmann wavefront sensors based on 2D refractive lens arrays and super-resolution multi-contrast X-ray imaging. / Mikhaylov, Andrey; Reich, Stefan; Zakharova, Margarita; Vlnieska, Vitor; Laptev, Roman; Plech, Anton; Kunka, Danays.

In: Journal of Synchrotron Radiation, Vol. 27, 01.05.2020, p. 788-795.

Research output: Contribution to journal › Article › peer-review

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AU - Vlnieska, Vitor

AU - Laptev, Roman

AU - Plech, Anton

AU - Kunka, Danays

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