High-power bi-convex lenses are mainly used for focusing and collimating light, relay imaging, and beam control in specific applications. In laser technology, they are employed for laser beam focusing and collimation.
| Project | Performance Parameters | High Precision |
| Material | 7980 0F or 7979 0F | |
| Specifications | D7.99, D12.7, D25.4, D30, D37, D50 (custom sizes available) | |
| Dimension Tolerance | ±0.1 mm | ±0.02 mm |
| Flatness (within clear aperture) | λ/4 | λ/10 |
| Focal Length Tolerance | ±1% | ±0.5% |
| Centration Error | ≤3′ | ≤1′ |
| Surface Quality | 20-10 (after coating) | 5-2 (after coating) |
| Edge Chip | <0.2 | <0.05 |
| Bevel | 0.1~0.5*45° | |
| Coating | 532 nm, 915 nm, 976 nm, 1064 nm, 1080 nm (customizable) | |
| Damage Threshold | High damage threshold 15 J/cm², 10 ns, 10 Hz @1064 nm | High damage threshold 25 J/cm², 10 ns, 10 Hz @1064 nm |