|
|
Current location: Window
| BK7 Series |
| |
| Specifications |
| |
| |
| Material |
BK7 Grade A optical glass |
| Dimension Tolerance |
+0.0/-0.2mm |
| Thickness Tolerance |
±0.2mm |
| Clear Aperture |
>90% |
| Parallelism |
Standard: 1 arc minute
High Precision: 10 arc seconds |
| Surface Quality |
Standard: 60/40
High Precision: 20/10 |
| Wavefront Distortion |
Standard: λ@633nm per 25mm
High Precision: λ/10@633nm per 25mm |
| Chamfer |
Protected <0.5mmx45deg |
| Coating |
Uncoated, available | |
 | |
| |
|
| |
| Fused Silica Series |
| |
| Specifications |
| |
| Material |
UV grade fused silica |
| Dimension Tolerance |
+0.0/-0.2mm |
| Thickness Tolerance |
±0.2mm |
| Clear Aperture |
>90% |
| Parallelism |
Standard: 1 arc minute
High Precision: 10 arc seconds |
| Surface Quality |
Standard: 60/40
High Precision: 20/10 |
| Wavefront Distortion |
Standard: λ@633nm per 25mm
High Precision: λ/10@633nm per 25mm |
| Chamfer |
Protected <0.5mmx45deg |
| Coating |
Uncoated, available | |
 | |
| | | |
|
