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Germanium (Ge) Components SKU: 580-6155
wide IR transmission range covering 1.8-16 µm opaque in visible range Germanium (Ge) based optical components are widely used for IR applications. Germanium (Ge) is well suited for manufacturing of windows and lenses for IR applications in lasers and optical systems. Ge…
Variant specifications
| Specification | Value |
|---|---|
| Diameter | ø 50.8 mm |
| Thickness | 5.0 mm |
| Coating | AR/AR@10.6 µm |
Shared product specifications
These specifications apply across the Germanium (Ge) Components product family.
Specifications
| Material | Ge |
| Surface quality | 60-40 scratch & dig (MIL-PRF-13830B) |
| Clear aperture | 80% of diameter |
| Diameter tolerance | +0.0 -0.1 mm |
| Thickness tolerance | ±0.2 mm |
| Parallelism | <3 arcmin |
| Flatness | <1.5 λ per inch @ 633 nm |
Physical Properties
| Crystal type | cubic |
| Density, g/cm3 | 5.33 |
| Melting point, °C | 937 |
| Refractive index @ 10.6 µm | n = 4.0034 |
| Transmission band, µm | 1.8-17 |
| Lattice constant, Å | a = 5.657 |
Product brochures
Shared documentation for the complete product family.