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PILATUS 2M detector
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PILATUS 2M prototype at the X12SA coherent small-angle X-ray scattering beamline, SLS
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Ultimate speed and data quality for small-angle X-ray scattering
The PILATUS 2M detector is perfectly suited for modern small-angle X-ray scattering (SAXS) and macromolecular crystallography (MX) beamlines, which require fast detectors with very high dynamic range.
It is based on the newly developed CMOS hybrid-pixel technology and operates in single-photon-counting mode. With its large active area, high dynamic range, high frame rate, the PILATUS 2M is ideally suited for SAXS.
The detector system operates at room temperature, with a cooling unit for temperature stabilization. It comes as a complete system with detector, water cooler, a high-end server to cope with the high data transfer rates and the data acquisition and analysis software package TVX.
The PILATUS 2M is delivered fully calibrated and ready to use.
Applications:
- X-ray diffraction (XRD)
- Small-angle scattering (SAXS)
- Macromolecular crystallography (MX)
Technical specifications
| Number of modules |
3 x 8 = 24 |
| Sensor |
Reverse-biased silicon diode array |
| Sensor thickness |
320 µm |
| Pixel size |
172 x 172 µm2 |
| Format |
1475 x 1679 = 2,476,525 pixels |
| Area |
254 x 289 mm2 |
| Intermodule gap |
x: 7 pixels, y: 17 pixels, 8.0% of total area |
| Dynamic range |
20 bits (1:1,048,576) |
| Counting rate per pixel |
> 2 x 106 X-ray/s |
| Energy range |
3 – 30 keV |
Quantum efficiency
(calculated) |
3 keV: 80%
8 keV: 99%
15 keV: 55% |
| Energy resolution |
500 eV |
| Adjustable threshold range |
2 – 20 keV |
| Threshold dispersion |
50 eV |
| Readout time |
3.6 ms |
| Framing rate |
30 Hz |
| Point-spread function |
1 pixel |
| Data formats |
Raw data, TIF, EDF, CBF |
| External trigger/gate |
5V TTL, 3 different modes |
| Software interface |
Through socket connection; clients for EPICS, SPEC and stand-alone operation are available |
| Cooling |
Close-circuit water cooling unit for temperature stabilization |
| Power consumption |
200 W |
| Dimensions (WHD) |
384 x 424 x 458 mm |
| Weight |
42 kg |
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