K9L Metal Coated Concave Mirror
- Super Broadband Working Wavelength
- Insensitive to Angle of Incidence & Polarization
- Only for low power application
Specifications
| Material | H-K9L |
| Dimension Tolerance | + 0/ -0.2 mm |
| Thickness Tolerance | ± 0.2 mm |
| Surface Quality | 60/40 |
| Clear Aperture | > 90% |
| Flatness | < λ/4@632.8 nm |
| Centration | < 3 arc minutes |
| Coating | Metal coating on curved surface, ground or inspection polished on flat surface Enhanced Aluminum: Ravg > 90%@400-700 nm Protected Aluminum: Ravg > 87%@400-1200 nm UV Protected Aluminum: Ravg > 80%@250-700 nm Protected Silver: Ravg > 95%@400-12000 nm Enhanced Silver: Ravg > 98.5%@700-1100 nm Protected Gold: Ravg > 98%@2000-12000 nm |
| Damage Threshold | > 1 J/cm2, 20 ns, 20 Hz@1064 nm |
Model
| Size, mm | Focal Length, mm | Coating | Reflectivity |
| Φ25.4 x 2.0, Φ50.8 x 3.0 | 25/50/75/100/ 125/150/250/500 | Protected Silver | Ravg > 95%@400-12000 nm |
| Enhanced Silver | Ravg > 98.5%@700-1100 nm | ||
| Protected Gold | Ravg > 98%@2000-12000 nm | ||
| Protected Aluminum | Ravg > 87%@400-1200 nm | ||
| Enhanced Aluminum | Ravg > 90%@400-700 nm |