T-WG91050-G - Ø1" Germanium Broadband Precision Window, AR Coated: 7 - 12 µm
T-WG91050-G - Ø1" Germanium Broadband Precision Window, AR Coated: 7 - 12 µm
- 1/2" and 1" Diameters Available
- Useful for IR Applications in the 1.9 - 16 µm Spectral Range
- Available Uncoated or with One of Two AR Coatings:
- 1.9 to 6 µm (-C9): <2% Average Reflectance
- 7 to 12 µm (-G): <1% Average Reflectance
- Ideal Longpass Filter for Above 2 µm
| Damage Threshold Specifications | |
|---|---|
| Item # | Damage Threshold |
| T-WG91050-C9 | 10 J/cm2 (2940 nm, 200 µs, 2 Hz, Ø0.485 mm) |
| T-WG91050-G | 0.5 J/cm2 (10.6 µm, 100 ns, 1 Hz, Ø0.478 mm) |
| Item # | WG91050-G | |
|---|---|---|
| Diameter | 1" (25.4 mm) | |
| Diameter Tolerance | +0.0 / -0.2 mm | |
| Thickness | 5.0 mm | |
| Thickness Tolerance | ±0.1 mm | |
| Clear Aperture | ≥Ø22.86 mm | |
| Parallelism | ≤1 arcmin | |
| Surface Flatness | ≤λ over Clear Aperture | |
| Surface Quality | 40-20 Scratch-Dig | |
| AR Coating Range | 7 - 12 µm (-G Coating) | |
| Reflectance over AR Coating Range | Ravg < 1% | |
| Reflectance Data (Click for Graph) |
Raw Data |
|
| Substrate | Germanium | |
| Transmission Data (Click for Graph) |
Raw Data |
|
| Damage Threshold | 0.5 J/cm2 (10.6 µm, 100 ns, 1 Hz, Ø0.478 mm) | |
