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Material: Germanium
Surface Flatness: 1λ
Surface Quality: 60/40
Parallelism: ≤1 arcmin
Clear Aperture: >90% of Diameter
CATEGORY
Germanium Windows
Model: JKW91
Material: Germanium
Surface Flatness: 1λ
Surface Quality: 60/40
Parallelism: ≤1 arcmin
Clear Aperture: >90% of Diameter
| Diameter (mm) | Thickness (mm) | uncoated model | AR @8~12μm model |
| Φ10.0 | 1 | JKW91-010 | JKW91-010-IR2 |
| Φ12.5 | 2 | JKW91-012 | JKW91-012-IR2 |
| Φ12.7 | 2 | JKW91-012A | JKW91-012A-IR2 |
| Φ25.0 | 2 | JKW91-025 | JKW91-025-IR2 |
| Φ25.4 | 2 | JKW91-025A | JKW91-025A-IR2 |
| Φ40.0 | 2 | JKW91-040 | JKW91-040-IR2 |
| Φ50.0 | 3 | JKW91-050 | JKW91-050-IR2 |
