XLabF: POLICAPILLARY OPTICS APPLICATIONS
X-Rays| Optics | Lenses | Capillary Optics | Spectrometry | FluorescenceINTRODUCTION
XLab Frascati (XlabF) studies, produces and characterizes X-ray optics based on polycapillary lenses. These are composed by millions of hollow glass channels, into which the entering radiation is efficiently transmitted by multiple reflections. The lenses could focus or convert divergent radiation into parallel beams, allowing the beam to be shaped for applications, opening the possibility of building brilliant X-ray sources with performances comparable to those of synchrotron light.
TECHNICAL FEATURES
Since 2010 the INFN's X-ray facility XlabF, being involved in the research on beams/radiations interactions in strong external fields, has focused its work on the study and development of innovative X-ray optics technologies. The main XlabF activities in applied physics relate on X-ray analysis by means of desktop units, mostly based on polycapillary optical elements, the production of which is routinely being carried on by the dedicated technological facility “X Channel Technologies”. These optical devices are standard for radiation in the energy interval 1-35 keV, but they can be optimized for higher energies (up to 70 keV). Common X-ray tubes equipped with optimized polycapillary optics can deliver on target beams with a radiation density increased up to 4 orders of magnitude.POSSIBLE APPLICATIONS
- Micrometric resolution;
- Micro-spot;
- Quasi-parallel beam;
- High flux;
- Condensing systems;
- Collimating systems;
- Homogeneous cross distribution;
- Wave guides.
ADVANTAGES
- X micro-fluorescence (µXRF) applied for non destructive samples analysis in Cultural Heritage and Geology;
- X ray Diffraction / micro-diffraction applied to material analysis;
- Imaging and Tomography techniques;
- Low contrast samples analysis for Biology.
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