| Material | Quartz+Quartz 200-2500nm |
| Dimension Tolerance | +0/-0.2mm |
| Surface Quality | 60/40 scratch and dig |
| Thickness Tolerance | ±0.2mm |
| Beam Deviation | <3 arc minutes |
| parallelism | <1 arc minute |
| Flatness | <λ/8@632.8nm |
| Retardation | 0.5λ/mm @ 1064nm |
| Clear Aperture | >90% central |
| Coating | Uncoated, AR coating available |
| Damage Threshold | Cemented: >500mJ/cm2, 20ns, 20Hz @1064nm Optically contacted: >5J/cm2, 20ns, 20Hz @1064nm |
| Part NO. | Material | Diameter (mm) | Thickness (mm) | Type | Wavelength(nm) |
| QWDC25 | Crystal Quartz | 25.4 | 5 | Cemented | 400-2500 |
| QWDO25 | Crystal Quartz | 25.4 | 5 | Optically Contacted | 220-2500 |
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