KORYTÁR, D., T. BAUMBACH, C. FERRARI, L. HELFEN, N. VERDI, Petr MIKULÍK, Alan KUBĚNA a P. VAGOVIČ. Monolithic two-dimensional beam compressor for hard x-ray beams. J. Phys. D: Appl. Phys. Velká Britanie: IOP Publishing Ltd, 2005, roč. 38, č. 1, s. A208-A212, 5 s. ISSN 0022-3727. |
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@article{570993, author = {Korytár, D. and Baumbach, T. and Ferrari, C. and Helfen, L. and Verdi, N. and Mikulík, Petr and Kuběna, Alan and Vagovič, P.}, article_location = {Velká Britanie}, article_number = {1}, keywords = {x-ray optics; magnifier; demagnifier; synchrotron radiation}, language = {eng}, issn = {0022-3727}, journal = {J. Phys. D: Appl. Phys.}, title = {Monolithic two-dimensional beam compressor for hard x-ray beams}, url = {http://www.sci.muni.cz/~mikulik/Publications.html#KorytarBaumbachFerrari-JPD-2005}, volume = {38}, year = {2005} }
TY - JOUR ID - 570993 AU - Korytár, D. - Baumbach, T. - Ferrari, C. - Helfen, L. - Verdi, N. - Mikulík, Petr - Kuběna, Alan - Vagovič, P. PY - 2005 TI - Monolithic two-dimensional beam compressor for hard x-ray beams JF - J. Phys. D: Appl. Phys. VL - 38 IS - 1 SP - A208-A212 EP - A208-A212 PB - IOP Publishing Ltd SN - 00223727 KW - x-ray optics KW - magnifier KW - demagnifier KW - synchrotron radiation UR - http://www.sci.muni.cz/~mikulik/Publications.html#KorytarBaumbachFerrari-JPD-2005 N2 - Using asymmetric diffraction in grazing incidence or in grazing emergence it is possible to expand or compress an x-ray beam in one dimension. Combining two asymmetric diffractions with non-coplanar planes of diffraction it is possible to obtain two-dimensional beam expansion or compression. This paper reports on a monolithic two-dimensional x-ray beam compressor consisting of two non-coplanar asymmetrically inclined {311} diffractors prepared in one silicon crystal block and tested at Optics beamline BM05 at ESRF, Grenoble. The design of the x-ray beam compressor, the results of beam tracing image simulation, the experimental arrangement used for testing and the properties of the x-ray microbeams formed are presented. For the beam energy of 9.5 keV 10- and 13-times beam compression in two directions was observed. Using a metal grid in the incident beam more than 400 microbeams smaller than 10 um and separated by less than 5 um were obtained in the outgoing beam. A gain of up to 100 times in intensity per unit area was obtained in comparison with the x-ray beam magnifier geometry, demonstrating a real two-dimensional beam compression. ER -
KORYTÁR, D., T. BAUMBACH, C. FERRARI, L. HELFEN, N. VERDI, Petr MIKULÍK, Alan KUBĚNA a P. VAGOVIČ. Monolithic two-dimensional beam compressor for hard x-ray beams. \textit{J. Phys. D: Appl. Phys.}. Velká Britanie: IOP Publishing Ltd, 2005, roč.~38, č.~1, s.~A208-A212, 5 s. ISSN~0022-3727.
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