Measurable Results
Quality Assurance in Detail
Specialized testing and measuring equipment are essential for the quality control during the production and qualification of our products.
Here is an overview of our measuring instruments.
| Measurand | Measuring Instrument | Resolution |
|---|---|---|
| Flatness | Interferometer | to 30 nm |
| Roughness | Interferometer microscope | to 0,05 nm |
| Plane parallelism | Autocollimator | 1 arcsec |
| Wedge angle | Beam reflection | 0,1 mrad |
| Crystallographic orientation | Energy dispersive X-ray diffractometer (EDXRD) | to 0,01° |
| X-ray fluorescence | Energy dispersive X-ray fluorescence spectrometer (EDRFA) | element specific |
| Stress birefringence | Polarizing light microscope | to 180 times |
| Surface finish | Nomarski differential interference-contrast microscope | to 500 times |
| Thickness of optics | Thickness measurements with laser reflektion | to 2 µm |
| Contour of parts | Vision measuring system | to 3 µm |
| Transmission, absorption | UV/VIS/NIR spectrometer (190-1100nm) | to 0,5 nm |
| with polarizing-filter | UV/VIS/NIR spectrometer (190-1100nm) | to 0,5 nm |
| Transmission (IR) | Fourier transform spectrometer (1,3-25 µm) | to 2 cm-1 |
