Germanium Window (Ge Window) widely used in IR sensors, thermal image, medical and other applications.
Our products is enjoying an excellent reputation for it is good quality and high dimension tolerance.
Coating is available upon request.
| Specifications: | |
| Material | Germanium |
| Diameter Tolerance | +0.0/-0.1mm |
| Thickness Tolerance | ±0.2mm |
| Clear Aperture | >Central 85% of diameter |
| Surface Quality | 60-40 S/D |
| Parallelism | < 1 arc minute |
| Wavefront Distortion | λ/4 per 25mm @632.8nm |
| Protective Bevel | <0.25mm x 45° |
| Coating | Uncoated |
| Germanium Window Standard Products: | ||
| Part No. | φ(mm) | T(mm) |
| 10.0 | 1.0 | |
| 12.7 | 2.0 | |
| 25.4 | 2.0 | |
Note:
Other sizes and coatings are available upon request.
The general tolerance specifications above provide a guideline regarding manufacturing capabilities for optics.
The manufacturing limits are not absolute; tighter tolerances may be possible.
Part specific tolerances may vary depending on component size, shape, and/or material.