X-ray Microprobe and Micro-Tomography with low-cost laboratory X-ray source
Andrzej Markovicz, Dariusz Wegrzynek, Samuel A. Bamford, Ernesto Chinea Cano, Mladen Bogovac IAEA Seibersdorf, Austria
3D X-ray absorption CT imaging
- 3D (volume) X-ray fluorescence elemental mapping (with correction for X-ray absorption)
- 2D (surface) X-ray fluorescence elemental mapping
- sample size up to 2 cm
- resolution down to 10μm (depends on X-ray lens/capillary size)
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Experimental setup: X-ray tube + capillary + Si-Li detector (for X-ray fluorescence) + SDD detector (for X-ray absorption) + 4 axis motorized stages + microscope + video + custom MCA cards + NIM electronics |
Final X-ray absorption CT image: data analyzed with laboratory + commercial software |
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Software for computerized sample manipulation with realtime video image |
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Software for computerized sample manipulation with realtimevideo image |
Software for data acquisition: micro-tomography mode (on-line sinograms - sea shell) or microprobe mode (on-line 2D elemental mapping – 4μm thick W cross) |