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Proceedings Paper

X-ray refractive collimator based on planar silicon lens
Author(s): Irina Snigireva; Michail Grigoriev; Leonid Shabel'nikov; Vecheslav Yunkin; Anatoly A. Snigirev; Serguei Kuznetsov; Marco Di Michiel; Martin Hoffmann; Edgar I. Voges
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Paper Abstract

We demonstrate that Si planar parabolic lens with long focus distance can collimate high energy X-rays with microradian precision. A divergent beam from a wiggler at the ESRF ID15 beamline is reduced from 15 microradian down to 1 microradian. We propose a new imaging technique for direct measurements of beam divergence. It is shown experimentally that precision better than 1 mrad may be really achieved. Measurements are done at the energy range 60 - 90 keV. Contribution of source size and diffraction phenomena to the precision and ultimate sensitivity of the developed technique is discussed.

Paper Details

Date Published: 21 November 2002
PDF: 9 pages
Proc. SPIE 4783, Design and Microfabrication of Novel X-Ray Optics, (21 November 2002); doi: 10.1117/12.451015
Show Author Affiliations
Irina Snigireva, European Synchrotron Radiation Facility (France)
Michail Grigoriev, Institute of Microelectronics Technology (Russia)
Leonid Shabel'nikov, Institute of Microelectronics Technology (Russia)
Vecheslav Yunkin, Institute of Microelectronics Technology (Russia)
Anatoly A. Snigirev, European Synchrotron Radiation Facility (France)
Serguei Kuznetsov, European Synchrotron Radiation Facility (France)
Marco Di Michiel, European Synchrotron Radiation Facility (France)
Martin Hoffmann, Univ. Dortmund (Germany)
Edgar I. Voges, Univ. Dortmund (Germany)

Published in SPIE Proceedings Vol. 4783:
Design and Microfabrication of Novel X-Ray Optics
Derrick C. Mancini, Editor(s)

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