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Proceedings Paper

Fluorescence microtomography using nanofocusing refractive x-ray lenses
Author(s): Christian G. Schroer; Til Florian Gunzler; Marion Kuhlmann; Olga Kurapova; Sebastian Feste; Mario Schweitzer; Bruno Lengeler; Walter H. Schroder; Michael Drakopoulos; Andrea Somogyi; Alexandre S. Simionovici; Anatoly A. Snigirev; Irina I. Snigireva
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Paper Abstract

Fluorescence microtomography is a hard x-ray scanning microscopy technique that has been developed at synchrotron radiation sources in recent years. It allows one to reconstruct non-destructively the element distribution on a virtual section inside a sample. The spatial resolution of this microbeam technique is limited by the lateral size of the microbeam. Since recently, nanofocusing refractive x-ray lenses (NFLs) are under development that were shown to produce hard x-ray microbeams with lateral resolution in the range of 100nm. Future improvements of these optics might reduce the microbeam size down to below 20nm. Using nanofocusing lenses, fluorescence microtomography with sub-micrometer resolution was performed. As an example, the element distribution inside a small cosmic dust particle is given. Tomographic reconstruction was done using a refined model including absorption effects inside the sample.

Paper Details

Date Published: 26 October 2004
PDF: 7 pages
Proc. SPIE 5535, Developments in X-Ray Tomography IV, (26 October 2004); doi: 10.1117/12.559679
Show Author Affiliations
Christian G. Schroer, Aachen Univ. (Germany)
HASYLAB/Deutches Electronen-Synchrotron (Germany)
Til Florian Gunzler, Aachen Univ. (Germany)
Marion Kuhlmann, Aachen Univ. (Germany)
Olga Kurapova, Aachen Univ. (Germany)
Sebastian Feste, Aachen Univ. (Germany)
Mario Schweitzer, Aachen Univ. (Germany)
Bruno Lengeler, Aachen Univ. (Germany)
Walter H. Schroder, Forschungszentrum Julich GmbH (Germany)
Michael Drakopoulos, European Synchrotron Radiation Facility (France)
Rutherford Appleton Lab. (United Kingdom)
Andrea Somogyi, European Synchrotron Radiation Facility (France)
Alexandre S. Simionovici, European Synchrotron Radiation Facility (France)
Anatoly A. Snigirev, European Synchrotron Radiation Facility (France)
Irina I. Snigireva, European Synchrotron Radiation Facility (France)


Published in SPIE Proceedings Vol. 5535:
Developments in X-Ray Tomography IV
Ulrich Bonse, Editor(s)

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