It is mainly used to block debris from splashing during laser cutting and prevent splashes from damaging the lens. Anti-reflection coatings with high damage threshold (>15J/CM2) are plated on both sides to reduce reflections. Widely used in laser cutting, laser marking, 3D printing, etc.
technical parameter
|
Material
|
Fused Silica
|
|
Dimensional tolerance
|
+0/-0.05mm
|
|
Thickness tolerance
|
±0.05mm
|
|
Surface Quality
|
Standard accuracy 60/40
|
|
High precision 20/10
|
|
|
Clear aperture
|
>90%
|
|
Through wavefront distortion
|
Standard accuracy:<λ（25mm)@633nm
|
|
High precision:<λ/10（25mm)@633nm
|
|
|
Parallelism
|
Standard accuracy:<1minute
|
|
High precision:<10Second
|
|
|
Chamfer
|
Protective<0.5mmх45°
|
|
Coating
|
Single point, broadband, high reflection, color separation, anti-fog, waterproof, polarization filter, etc.
|
|
Damage threshold
|
Residual reflectivity on one side<0.25% 0deg@1047-1064nm
|
|
>15J/CM２,10ns,10HZ,1064nm
|
