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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1107/S1600577522001412
|2 doi
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|a (NLM)35511011
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|a DE-627
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|e rakwb
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|a eng
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|a Hirano, Keiichi
|e verfasserin
|4 aut
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|a X-ray zooming optics for analyzer-based multi-contrast computed tomography
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 27.08.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a open access.
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|a An X-ray analyzer-based optics with a zoom function is proposed for observing various samples with apparent-absorption contrast, phase contrast and scattering contrast. The proposed X-ray optics consists of a collimator crystal and an analyzer crystal arranged in a nondispersive (+, -) geometry with a sample placed between them. For the implementation of the zoom function, an asymmetrically cut crystal in the rotated-inclined geometry was used for the analyzer. Proof-of-principle experiments were performed at the vertical wiggler beamline BL-14B of the Photon Factory. First, the magnification was set to 1×, and then it was zoomed into the optimal magnification (10×). At these magnifications, tri-modal contrast cross-sectional images of a sample were obtained by computed tomography. It was confirmed that the image quality at 10× was superior to that at 1×. This achievement opens up new possibilities for observing an entire sample or regions of interest within a sample at optimal magnification, and is expected to be useful for materials science, condensed matter physics, archeology and biomedical science
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|a Journal Article
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|a X-ray Bragg magnifier
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|a analyzer-based imaging
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|a computed tomography
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|a Sugiyama, Hiroshi
|e verfasserin
|4 aut
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|a Nishimura, Ryutaro
|e verfasserin
|4 aut
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| 700 |
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|a Wakabayashi, Daisuke
|e verfasserin
|4 aut
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|a Suzuki, Yoshio
|e verfasserin
|4 aut
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| 700 |
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|a Igarashi, Noriyuki
|e verfasserin
|4 aut
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| 700 |
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|a Funamori, Nobumasa
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of synchrotron radiation
|d 1994
|g 29(2022), Pt 3 vom: 01. Mai, Seite 787-793
|w (DE-627)NLM09824129X
|x 1600-5775
|7 nnns
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| 773 |
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|g volume:29
|g year:2022
|g number:Pt 3
|g day:01
|g month:05
|g pages:787-793
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|u http://dx.doi.org/10.1107/S1600577522001412
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