Product model table
(Find the product number of the product you want in the form, and select the product number from the above options to purchase.）
| Material | BK7 |
| Dimension Tolerance | +0.0/-0.2mm |
| Thickness Tolerance | ±0.2mm |
| Surface Quality | 60/40 |
| Clear Aperture | >90% |
| Flatness | Refer to below list |
| Coating | Metal coating on one surface, rear surface ground or inspection polished |
| Enhanced Aluminum: Ravg>90%@400-700nm | |
| Protected Aluminum: Ravg>87%@400-1200nm | |
| Protected Silver: Ravg>95%@400-12000nm | |
| Protected Gold: Ravg>98%@2000-12000nm | |
| Damage Threshold | >1J/cm2, 20ns, 20Hz, @1064nm |
