サファイア結晶 ｜ Sapphire Crystal
仕様
| Orientation: | or +/- 5deg |
|---|---|
| Diameter Tolerance : | +0.0 /-0.1mm |
| Thickness Tolerance: | +/-0.2mm |
| Surface Quality: | better than 80/50 scratch/dig |
| Parallelism: | < 30 arcsec |
| Flatness: | < λ per 25mm @632.8nm |
| Perpendicularity: | < 5 arcmin |
| Wavefront Distortion: | < λ/2 @632.8nm |
| Coating: | Coating upon Request |