Substrate Material: |
Schott B270 optical glass |
Outer Dimension: |
82.0x10.0,+/-0.05mm (specially-diced) |
Thickness: |
1.0,+/-0.1mm |
Surface Quality: |
Double side fine polished,40-20 scratch and dig |
Flatness: |
<lambda/10 @ 633nm over every 25mm surface on-jig tested |
Chamfer: |
<0.2mm x 45deg protection; with chipping 0.1mm max |
Coating: |
Single-side Aluminum coating, protective SiO overcoat;
Back surface: uncoated(polished only) |
Reflectivity: |
Ravg>90% from 400nm~10um; Ravg>85% from 250nm-600nm |
Clear Aperture: |
>90% of reflective surface |
Packaging: |
Vacuum packaged(sealed) |