 
        
        
        
        
    | Specification | |
| Material | BK7,Fused Silica | 
| Diameter Tolerance | +0.0/-0.2mm | 
| Thickness Tolerance | +/-0.1mm | 
| Clear Aperture | >80% | 
| Surface Figure | λ/4@632.8nm | 
| Surface Quality | 40/20 scratch/dig | 
| Bevel | 0.25mm*45° | 
| Angle Tolerance | +/-3′ | 
| BK7 wedges | |||
| Part No. | Diameter(mm) | Thickness(mm) | Wedge(°) | 
| WED1101 | 12.7 | 3.0 | 3.0 | 
| WED1201 | 12.7 | 3.0 | 0.5 | 
| WED1301 | 25.4 | 3.0 | 3.0 | 
| WED1401 | 25.4 | 3.0 | 0.5 | 
| Fused Silica wedges | |||
| Part No. | Diameter(mm) | Thickness(mm) | Wedge(°) | 
| WED2101 | 12.7 | 6.35 | 3.0 | 
| WED2201 | 12.7 | 6.35 | 0.5 | 
| WED2301 | 25.4 | 6.35 | 3.0 | 
| WED2401 | 25.4 | 6.35 | 0.5 |