| Substrate Material: |
BK7 optical glass, premium grade |
| Flatness: |
<lambda/10 at 633nm over clear aperture |
| Surface Quality: |
Double side fine polished,10-5 scratch and dig |
| Outer Diameter: |
25.4,-0.1/+0.0mm |
| Thickness: |
3.0,+/-0.1mm |
| Radius Type: |
S1: Plano Type S2: Plano Type |
| Wedge: |
<=5 arc minutes |
| Chamfer: |
0.2mm at 45-deg typical |
| Concentricity: |
<=0.05mm |
| Coating Technology: |
Electron beam multilayer dielectric |
| Clear Aperture: |
Exceeds central 90% of outer diameter |
| Damage Threshold: |
1MW/cm2 CW, 5J/cm2 (10ns Pulse) |
| Coating: |
S1: HR @ 1030-1080nm 0-deg AOI (R>99.5%) S2: AR @ 500-1100nm (R<0.5%) |