Table 4. Parameters of the 11 reflectometer axes.
| Axis | Hardware | Range | Positioning accuracy |
|---|---|---|---|
| Sample azimuth angle φ | Huber 430 | −180° to 180° | 3.6" |
| Sample incidence angle θ | Huber 411 | −90° to 90° | 3.6" |
| Detector angle 2θ | Huber 411 | −180° to 180° | 3.6" |
| Detector off-plane (two axes) | Ceramic motors | −25 mm to 25 mm (−4° - 4°) | 50 nm |
| Sample adjustment T x, T y, T z | Ceramic motors | −20 mm to 20 mm (not simulated) | 500 nm |
| Sample adjustment R x, R y, R z | Ceramic motors | −10° to 10° (not simulated) | 1" |