Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/67394
Type: Artigo de periódico
Title: First experiments on diffraction-enhanced imaging at LNLS
Author: Giles, C
Honnicke, MG
Lopes, RT
Rocha, HS
Goncalves, OD
Mazzaro, I
Cusatis, C
Abstract: Diffraction-enhanced images have been obtained using two silicon crystals in a non-dispersive set-up at the XRD2 beamline at the Brazilian Synchrotron Light Laboratory (LNLS). A first asymmetrically cut silicon crystal using the (333) reflection vertically expanded the monochromated beam from 1 mm to 20 mm allowing the imaging of the whole sample without movements. A symmetrically cut Si( 333) second crystal was used as a Bragg analyzer. Images of biological samples including human tissue were recorded using a direct-conversion CCD detector resulting in enhancement of the contrast compared with absorption-contrast images.
Subject: X-ray imaging
phase-contrast imaging
diffraction-enhanced imaging
X-ray optics
Country: Dinamarca
Editor: Blackwell Munksgaard
Rights: aberto
Identifier DOI: 10.1107/S0909049503020144
Date Issue: 2003
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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