http://www.cnr.it/ontology/cnr/individuo/prodotto/ID260231
Desktop X-ray tomography for low contrast samples (Articolo in rivista)
- Type
- Label
- Desktop X-ray tomography for low contrast samples (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Alternative label
D.Hampai, L.Marchitto, S.B.Dabagov, L.Allocca, S.Alfuso, L.Innocenti (2013)
Desktop X-ray tomography for low contrast samples
in Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms (Print)
(literal)
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- D.Hampai, L.Marchitto, S.B.Dabagov, L.Allocca, S.Alfuso, L.Innocenti (literal)
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- D.Hampai -INFN -LNF, XLab Frascati -Italy,
S.B.Dabagov- INFN-LNF,XLab Frascati -Italy ---RAS P.N. Uniuversity of Mescow (Russia)
L.Innocenti - Università di Roma, Tor Vergata (Italy) (literal)
- Titolo
- Desktop X-ray tomography for low contrast samples (literal)
- Abstract
- Based on the experience in the use of polycapillary optical systems, recently XLab Frascati LNF and IM
CNR have been strongly involved in studying the techniques for high resolution X-ray Imaging and
micro-tomography that intends in the development of a new imaging instrument to examine low contrast
samples complicated by fast developing processes. In order to get the reliable signal to noise ratio,
typically available via synchrotron radiation (SR) dedicated X-ray optical devices, for the desktop solutions
we have to increase the radiation fluxes from conventional sources. As known, manipulated through
polycapillary optics beams result in getting higher fluxes with respect to a pin-hole (with a gain factor of
102-103). Moreover, polycapillary semi lenses can provide low divergent beams comparable by the divergence
with synchrotron radiation beams (mrad order). These features make possible the realization of
high resolution imaging of low contrast samples in the transmission mode without various algorithmic
processes as typically done, for instance, for phase contrast imaging.
This work presents the results on X-ray micro tomography for both static biological and fast dynamic
samples as well as a possible future development of a polycapillary-based experimental layout for biomedical
imaging diagnostics, for the studies in material and environmental sciences, for diagnostics of
hi-tech samples, etc (literal)
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