Difrotec
Filter
Showing the single result
| Brand | Difrotec |
|---|---|
| Origin | Estonia |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported Precision Optical Interferometer |
| Model | PD-700 |
| Aperture | ≥ 700 mm |
| Accuracy (RMS Wavefront) | ≤ 0.6 nm |
| Resolution (PV) | 0.05 nm |
| Repeatability (RMS) | < 0.23 nm |
| Simple RMS Repeatability | < 0.06 nm |
| Numerical Aperture (NA) | 0.55 (f/# 0.91) |
| Interferometry Method | Phase-Shifting Interferometry (PSI) |
| Laser Source | Dual-Frequency He–Ne |