Specifications
| Velocity selector | - Wavelength range < 4.5 to > 40 Å
- Resolution nominally 7-18 % (conventional); 4 - 14 % (high resolution)
- Transmission ~ 94%
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| Collimation | - Ni58 equivalent guides (50 mm x 50 mm) (4m, 7 x 2m)
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| Accessible Q range | - 6 x 10-4 Å-1 - 0.7 Å-1 (with focussing lens optics for low Q, Qmin=4 x 10-3
Å-1 without focussing optics) - Source aperture to sample aperture distance: 1 - 20 m (1, 2, 4, 6, 8, 10, 12, 14, 16, 20 m
- Incident beam polarisation (Fe:Si sm, rf spin flipper)
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| Sample area | - Typical beam size - 10 mm (diameter) - up to 30 mm (diameter)
- Sample support system AZ Systemes (x, y, z,θ, 2-circle goniometer) maximum weight 1000 kg
- Maximum vertical distance from support system to beam height - 500 mm
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| Detector | - Sample - detector distance: 1.3 - 20.1 m (continuously variable)
- Horizontal offset 450 mm
- Active area: 1 m x 1 m
- Spatial resolution 5 mm x 5 mm
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Instrument location: Neutron-guide hall, cold guide CG1
User Manual
Operating Quokka
Instrument reference for publications
Wood, K et al, J. Appl. Crystallogr. 51(2), 294-314 (2018).
