Phase-contrast microscopy at high x-ray energy with a laboratory setup

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Phase-contrast microscopy at high x-ray energy with a laboratory setup

Endrizzi, M; Vittoria, FA; Diemoz, PC; Lorenzo, R; Speller, RD; Wagner, UH; Rau, C; ... Olivo, A; + view all (2014) Phase-contrast microscopy at high x-ray energy with a laboratory setup. Optics Letters , 39 (11) 3332 - 3335. 10.1364/OL.39.003332. Green open access

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Abstract

We report on the design and realization of an x-ray imaging system for quantitative phase-contrast microscopy at high x-ray energy with laboratory-scale instrumentation. Phase and amplitudewere separated quantitatively at x-ray energies up to 80 keV with micrometric spatial resolution. The accuracy of the results was tested against numerical simulations, and the spatial resolution was experimentally quantified by measuring a Siemens star phase object. This simple setup should find broad application in those areas of x-ray imaging where high energy and spatial resolution are simultaneously required and in those difficult cases where the sample contains materials with similar x-ray absorption.

Type:	Article
Title:	Phase-contrast microscopy at high x-ray energy with a laboratory setup
Location:	US
Open access status:	An open access version is available from UCL Discovery
DOI:	10.1364/OL.39.003332
Publisher version:	http://dx.doi.org/10.1364/OL.39.003332
Language:	English
Additional information:	This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords:	X-ray imaging, X-ray microscopy
UCL classification:	UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Med Phys and Biomedical Eng 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:	https://discovery.ucl.ac.uk/id/eprint/1430950