Polaris (Exciscope)
Scanning parameters
- maximum field of view: 6.5 mm
- maximum scannable height: 290 mm
- maximal sample weight: 6 kg
- smallest effective pixel size: 0.5 µm
- reconstructed volume after single scan: 2048 × 2048 × 2048 voxels
- reconstructed volume after 'off-axis' scan: 3700 × 3700 × 2048 voxels
- typical scanning time (depending on application): 1 - 24 h
Detector system
- detector turret with multiple objectives at different magnifications
- each objective features optimized scintillator
- available objectives: 2x, 4x, 10x
- 4 MP (2048 x 2048)
- 6.5 µm pixel size
Liquid metal X-ray source
- MetalJet D2+ (Excillum)
- jet material (target): I1 (68 % Ga, 22 % In, 10 % Sn)
- e-beam size (W x H): 40-80 µm x 10 µm
- spot size @60 µm e-beam width (W x H):
- @40 kV: 3.4 µm x 10.6 µm
- @70 kV: 7.2 µm x 12.2 µm
- acceleration voltage: 21 - 70 kV
- maximal power: 250 W
More information and any inquiries directly to Exciscope can be made through https://exciscope.com/contact/
Examples acquired with Polaris
Virtual cuts through zebrafish embryo showing internal structures, i.e. eye lenses, high absorbing otoliths and several cell types; yellow bars correspond to 100 µm
Virtual cut in a 3D rendering of a mole cochlea from a local microtomography scan
Orthogonal virtual cuts through a decalcified, paraffin embedded mouse cochlea
