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Large-aperture focusing of high-energy x rays with a rolled polyimide film
KTH, School of Engineering Sciences (SCI), Physics, Medical Imaging.ORCID iD: 0000-0002-7725-0548
KTH, School of Engineering Sciences (SCI), Physics, Medical Imaging.
KTH, School of Engineering Sciences (SCI), Physics, Medical Imaging.
KTH, School of Engineering Sciences (SCI), Physics, Medical Imaging.
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2011 (English)In: Optics Letters, ISSN 0146-9592, E-ISSN 1539-4794, Vol. 36, no 4, 555-557 p.Article in journal (Refereed) Published
Abstract [en]

We describe a point-focusing x-ray lens made of a rolled polyimide film with etched prisms. The resulting lens is a cylinder with a large number of prisms forming an internal conic structure. The method allows for the manufacturing of lenses with large apertures and short focal lengths, for energies up to at least 100 keV. In order to evaluate the concept, we have hand-rolled a few lenses and evaluated them at a synchrotron source. The measured performance of the prototype is promising, and deviations from the theoretical limits are quantitatively explained. (C) 2011 Optical Society of America

Place, publisher, year, edition, pages
2011. Vol. 36, no 4, 555-557 p.
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:kth:diva-30889ISI: 000287395500043Scopus ID: 2-s2.0-79952119919OAI: oai:DiVA.org:kth-30889DiVA: diva2:404406
Note
QC 20110317Available from: 2011-03-17 Created: 2011-03-07 Last updated: 2017-12-11Bibliographically approved

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Nillius, Peter

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