BK7窗片
The Window is made from BK7 material, which has transparent range from 330-2100nm. The refractive index is 1.5164 at 588nm. The BK7 window has good performance over visible and near IR spectrum for most application.
Specifications:
| Dimension Tolerance: | +0.0/-0.2mm |
| Thickness Tolerance: | ±0.2mm（General),±0.05(High Precision) |
| Surface Quality: | 60/40（General),10/5(High Precision) |
| Clear Aperture: | ＞90% |
| Flatness: | λ/2@633nm（General),λ/10@633nm (High Precision) |
| Parallelism: | <3 arc min.(General). <3 arc sec.(High Precision) |
| AR Coated: | Uncoated, AR, HR, PR, etc. |
Typical Sizes:
| Round Shape:Diameter(mm): | Φ5.0；Φ10.0 ；Φ12.7；Φ15.0；Φ20.0； Φ25.4；Φ30.0；Φ38.1；Φ50.8；Φ76.2 |
| Square Shape:WxH(mm) | 5.0×5.0；10.0×10.0 ；15.0×15.0 ； 20.0×20.0；25.0×25.0；50.0×50.0 |
| Thickness Tolerance: | 0.5；1.0；1.5；2.0；3.0；4.0； 5.0；6.0；8.0；10.0; 50.0 |
玻璃晶圆 单晶硅 (Silicon) 氟化钙窗片-CaF2 鑫科汇提供优质窗口片材料 GoodWafer|优质晶圆供应商
