Table 3. Pilatus3 X CdTe 2M parameters compared with those of the Perkin Elmer XRD 1621.
Pilatus3 X CdTe 2M | Perkin Elmer XRD 1621 | |
---|---|---|
Detection technology | Hybrid photon counting | Flat panel |
Sensor material | CdTe | CsI |
Pixel size (µm) | 172 × 172 | 200 × 200 |
Total number of pixels (H × V) | 1475 × 1679 | 2024 × 2024 |
Maximum frame rate (Hz) | 250 (500 with ROI) | 15 (30 with 2 × 2 binning) |
Point spread function (FWHM) | 1 pixel | 2 pixels |
Energy threshold (keV) | 8–40 | None |
Maximum count rate (photons s−1 pixel−1) | 5 × 106 | Integrating detector |
Non-linearity | <2% at 106 counts s−1 pixel−1 | |
Counter depth | 20 bit | 16 bit |
Dynamic range | 20 bit | 12.8 bit |
Minimum exposure (ns) | 200 | 3.3 × 107 |
Image lag | 0 | ∼1% after 100 ms |
Readout time | 0.95 ms | |
File format | CBF, HDF5 | Multiframe EDF |