DELN offer laser protection window for applications which require protecting laser output. High damage threshold (>15J/cm2) AR coating on both sides can minimize the reflections.
These laser windows are used in front of lasers for material processing in order to protect the laser optics from hot material drops.
Specifications
Material
Fused Silica
Dimension Tolerance
+0.0/-0.1mm
Thickness Tolerance
±0.2mm
Clear Aperture
>90%
Parallelism
<1 arc minute
Surface Quality
60/40 or better
Flatness
<λ @633nm or better
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
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