激光保護窗口
對於更高的安全性,激光保護窗口主要用於在激光切割中阻擋雜物飛濺,防止飛濺物損傷鏡頭。兩面鍍上高損傷閾值(>15J/cm2)的增透膜來減少反射。
• 兩面鍍高損傷閾值的增透膜
• 單面剩餘反射率R<0.5%@1047-1064nm,入射角0度
• 損傷閾值>15J/cm2,20ns,20Hz,@1064nm
|
Specifications |
|
Material |
Fused Silica |
|
Dimension Tolerance |
+0.0/-0.2mm |
|
Thickness Tolerance |
±0.2mm |
|
Clear Aperture |
>80% |
|
Parallelism |
<1 arc minute |
|
Surface Quality |
60/40 scratch and dig |
|
Transmitted Wavefront Distortion |
<λ@633nm per 25mm |
|
Chamfer |
<0.5mmx45deg |
|
Coating |
Both sides AR coated for YAG laser, R<0.5%@1047-1064nm per surface, AOI 0deg, damage threshold >15J/cm2, 20ns, 20Hz, @1064nm |