



A transparent object surrounded by two intersecting but not parallel planes, used to divide or disperse light beams.
| Specifications | |
| Material | BK7 Grade A Optical Glass | 
| Dimension Tolerance | +0.0,-0.2mm | 
| Clear Aperture | >80% | 
| Angle Tolerance | +/-3 arc minutes | 
| Flatness | λ/2@633nm | 
| Surface Quality | 60/40 scratch/dig | 
| Bevel | 0.2mm to 0.5mm | 
| Coating | Uncoated | 
		
	
| Part No. | A(mm) | B(mm) | C(mm) | 
| DOP1101 | 21.1 | 5 | 5 | 
| DOP1102 | 42.3 | 10 | 10 | 
| DOP1103 | 63.4 | 15 | 15 | 
		
	
| Material | BK7 Grade A Optical Glass | 
| Dimensional tolerance | +0.0 ,-0.2mm | 
| Clear aperture | >80% | 
| Angle Tolerance | +/-3 arc minutes | 
| Surface shape | λ/2@633nm | 
| Smoothness | 60/40 scratch/dig | 
| Chamfer | 0.2mm to 0.5mm | 
| Coating | Uncoated | 
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