Specifications | Material | BK7 | Diameter Tolerance | +0.0~-0.25mm | Thickness Tolerance | ±0.25mm | Radius Tolerance | ±1% | Surface Quality | S/D=10/5 laser quality | Surface Figure | λ/10@ 633nm | Clear Aperture | >90% | Centration | <5 minutes(f≤50mm) or <3 minutes(f>50mm) | Chamfer | 0.25mm at 45°typical | Coating | Optional |
Note: High Laser Induced Damage Threshold coatings are available upon request. Mirror Substrates>>>UV grade fused silica Specifications | Material | UV grade fused silica | Diameter Tolerance | +0.0~-0.25mm | Thickness Tolerance | ±0.25mm | Radius Tolerance | ±1% | Surface Quality | S/D=10/5 laser quality | Surface Figure | λ/10@ 633nm | Clear Aperture | >90% | Centration | <5 minutes(f≤50mm) or <3 minutes(f>50mm) | Chamfer | 0.25mm at 45°typical | Coating | Optional |
Note: High Laser Induced Damage Threshold coatings are available upon request. Mirror Substrates>>>CaF2 Specifications | Material | IR grade CaF2 | Diameter Tolerance | +0.0~-0.25mm | Thickness Tolerance | ±0.25mm | Radius Tolerance | ±1% | Surface Quality | S/D=10/5 laser quality | Surface Figure | λ/10@ 633nm | Clear Aperture | >90% | Centration | <5 minutes(f≤50mm) or <3 minutes(f>50mm) | Chamfer | 0.25mm at 45°typical | Coating | Optional |
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