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Proceedings Paper

X-ray microfocusing by polycapillary optics
Author(s): Dariush Hampai; Sultan B. Dabagov; Giorgio Cappuccio; Antonio Longoni; Tommaso Frizzi; Giannantonio Cibin; Valeria Guglielmotti; Marco Sala; Vito Sessa
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Paper Abstract

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.

Paper Details

Date Published: 3 September 2008
PDF: 9 pages
Proc. SPIE 7077, Advances in X-Ray/EUV Optics and Components III, 70770U (3 September 2008); doi: 10.1117/12.793693
Show Author Affiliations
Dariush Hampai, INOA-CNR (Italy)
INFN-LNF (Italy)
Univ. di Roma Tor Vergata (Italy)
Sultan B. Dabagov, INFN-LNF (Italy)
P. N. Lebedev Physical Institute (Russian Federation)
Giorgio Cappuccio, INFN-LNF (Italy)
Antonio Longoni, Politecnico di Milano (Italy)
Tommaso Frizzi, Politecnico di Milano (Italy)
Giannantonio Cibin, Diamond Light Source Ltd. (United Kingdom)
Valeria Guglielmotti, Univ. di Roma Tor Vergata (Italy)
Marco Sala, Univ. degli Studi di Milano (Italy)
Vito Sessa, Univ. di Roma Tor Vergata (Italy)


Published in SPIE Proceedings Vol. 7077:
Advances in X-Ray/EUV Optics and Components III
Ali M. Khounsary; Christian Morawe; Shunji Goto, Editor(s)

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