XOS is the leading global manufacturer of polycapillary X-ray optics. These state-of-the-art optics capture a large solid angle of X-rays from a source and redirect them to a micron-sized focal spot or highly collimated beam. The use of polycapillary optics can significantly enhance the performance of X-ray analysis in many applications, including X-ray fluorescence (XRF) and X-ray diffraction (XRD).
Unpackaged Polycapillary Optics
Packaged Polycapillary Optics
XOS offers custom polycapillary X-ray optic solutions based on customer application requirements. Below are typical X-ray optic geometries, performance specifications and applications.
- Applications include micro-XRF for elemental mapping, plating thickness and fine feature analysis. |
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| Working distance (mm) | 2 | 4 | 9 | 20 | 50 | 100 | 200 | |
| Focal spot size* (μm, FWHM, 17.4keV) | 7 | 15 | 25 | 45 | 100 | 180 | 300 | |
| Intensity gain* (vs а plnhole collimator of same size, 100mm fгom the source) | 6000 | 4500 | 3500 | 2000 | 800 | 300 | 120 | |
- Applications include micro XRF, micro XAS, and confocal XRF. |
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|---|---|---|---|---|---|---|
| Working distance (mm) | 2 | 4 | 9 | 20 | 50 | |
| Focal spot size* (μm, FWHM, 17.4keV) | 7 | 15 | 25 | 45 | 100 | |
| Intensity gain* (vs a pinhole collimator of same size) | 850 | 550 | 400 | 200 | 80 | |
Applications include powder XRD, texture and stress analysis, WDS and confocal XRF. |
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| Output beam diameter (mm) | 0.5 | 1 | 2 | 3 | 4 | 6 | 10 | 15 | |
| Intensity gain* | 12 | 45 | 130 | 250 | 370 | 470 | 680 | 850 | |
Comparison of MXRF spectra generated using a focusing polycapillary optic and a pinhole aperture. The spectra was collected by scattering a Mo beam off Plexiglas.
1D XRF scan (bottom), of a copper PCB sample (top), using both a regular and a halo reduction polycapillary optic, each with a 15μm focal spot. The high-energy halo effect is clearly visible with regular optic while it is eliminated with the halo reduction optic.
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