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 AW31--Sapphire Standard Windows
| Material: | Opitical Grade Sapphire |  |  | Flatness: | 1-2 λ per 25.4mm area |  | Parallel: | <3 arc minutes |  | Surface Quality: | 80/50 scratch-dig |  | Diameter Tolerance: | +0.1 |  | Thickness Tolerance: | +0.1mm |  | Coatings: | uncoated |  
 
 
|  | (mm) |  
| Catalog No. | Diameter | Thickness |  
| AW31-003 | 3.0 | 0.5 |  
| AW31-005 | 5.0 | 0.5 |  
| AW31-006 | 6.3 | 0.5 |  
| AW31-012 | 12.5 | 1.0 |  
| AW31-020 | 20.0 | 1.0 |  
| AW31-025 | 25.0 | 1.0 |  
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