CaF2 Window (Calcium Fluoride Window) is widely used in IR sensors, thermal image, medical and optical measurement systems.
We can supply high precision dimension control CaF2 window with minimal transmitted beam deviation.
| Specifications: | |
| Material | Calcium Fluoride single crystal |
| 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 |
| CaF2 Window Standard Products: | ||
| Part No. | φ(mm) | T(mm) |
| 10.0 | 1.5 | |
| 12.7 | 2.0 | |
| 25.4 | 3.0 | |
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.