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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1107/S1600577514003403
|2 doi
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|a pubmed25n0792.xml
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|a (NLM)24763638
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|a DE-627
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|e rakwb
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|a eng
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1 |
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|a Mohacsi, Istvan
|e verfasserin
|4 aut
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|a High-efficiency zone-plate optics for multi-keV X-ray focusing
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|c 2014
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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 Completed 30.03.2015
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|a Date Revised 25.04.2014
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a High-efficiency nanofocusing of hard X-rays using stacked multilevel Fresnel zone plates with a smallest zone width of 200 nm is demonstrated. The approach is to approximate the ideal parabolic lens profile with two-, three-, four- and six-level zone plates. By stacking binary and three-level zone plates with an additional binary zone plate, the number of levels in the optical transmission function was doubled, resulting in four- and six-level profiles, respectively. Efficiencies up to 53.7% focusing were experimentally obtained with 6.5 keV photons using a compact alignment apparatus based on piezoelectric actuators. The measurements have also been compared with numerical simulations to study the misalignment of the two zone plates
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Fresnel zone plates
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|a X-ray nanofocusing
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|a zone-plate stacking
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|a Karvinen, Petri
|e verfasserin
|4 aut
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|a Vartiainen, Ismo
|e verfasserin
|4 aut
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|a Guzenko, Vitaliy A
|e verfasserin
|4 aut
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|a Somogyi, Andrea
|e verfasserin
|4 aut
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|a Kewish, Cameron M
|e verfasserin
|4 aut
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|a Mercere, Pascal
|e verfasserin
|4 aut
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|a David, Christian
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of synchrotron radiation
|d 1994
|g 21(2014), Pt 3 vom: 01. Mai, Seite 497-501
|w (DE-627)NLM09824129X
|x 1600-5775
|7 nnns
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| 773 |
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|g volume:21
|g year:2014
|g number:Pt 3
|g day:01
|g month:05
|g pages:497-501
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|u http://dx.doi.org/10.1107/S1600577514003403
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