Substrate Material: |
BK7 glass |
Outer Diameter: |
25.4,-0.1/0mm |
Thickness: |
6.0,+/-0.1mm |
Surface Quality: |
Double side fine polished; 20-10 scratch and dig; Front surface with protected Silver coating |
Flatness: |
<Lambda/10 @ 633nm over clear aperture(>90% of 25.4mm surface) |
Chamfer: |
<0.2mm x 45deg protection |
Coating: |
Single side silver coating, with SiO protection; Back surface polished/uncoated |
Reflectivity: |
Ravg>97% from 450nm-2,000nm, Ravg>95% from 2,000nm - 20,000um |
Clear Aperture: |
>90% of reflective surface |
Parallelism: |
<3 arc minutes |
Damage Threshold: |
0.5J/cm2 (10ns pulse) |
Packaging: |
Vacuum packaged(sealed) |
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