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3 September 2008 X-ray microfocusing by polycapillary optics
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In this work the results on X-ray micro-imaging by means of novel polycapillary optical elements will be presented. To simulate various radiation propagation processes in both single capillary and polycapillary systems, a PolyCAD code was developed. Many experiments have recently revealed the advantage of confocal optical configuration for the fluorescence studies. Moreover, our experimental prototype layout (developped in the INFN - LNF laboratories, Frascati) enables the possibility to obtain μXRF mapping in simultaneous with X-Imaging. The recorded image of an extended sample is limited to 6 μm by the CCD pixel dimensions; the use of a second polycapillary optics in the confocal scheme followed by a SDD detector provides an additional option for elemental studies. A prototype of compact XRF spectrometer with a spatial resolution less than 100 μm has been designed.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Dariush Hampai, Sultan B. Dabagov, Giorgio Cappuccio, Antonio Longoni, Tommaso Frizzi, Giannantonio Cibin, Valeria Guglielmotti, Marco Sala, and Vito Sessa "X-ray microfocusing by polycapillary optics", Proc. SPIE 7077, Advances in X-Ray/EUV Optics and Components III, 70770U (3 September 2008);

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