Instrument Accessories
Varsal Windows
Specifications: Windows, Wedges, Mirror Substrates, Coating Witness, Filter Substrates
| Tolerance | Commercial | Precision |
| Dimensions (mm) | +/-0.2mm | +/-0.05mm |
| Thickness (mm) | +/-0.2mm | +/-0.05mm |
| Surface Figure | 1-2 λ | 0.1-1 λ |
| Parallelism | minutes | 5~30 seconds |
| Scratch-Dig | 80/50 6 | 0/40-40/20 |
Note:
- Varsal manufactures the above components according to customers' requirements (drawings, specifications, coating requirements).
- We use the Chinese equivalent material to Schott's optical glass and assure the material quality. Other special materials (Fused Silica, Quartz, CaF2 etc.) are also frequently used.


