| Substrate Material: |
BK7 Optical Glass |
| Substrate Design: |
Plano-concave |
| Outer Diameter: |
25.4,-0.1/+0.0mm |
| Thickness: |
3.0,+/-0.1mm |
| Radius of Curvature: |
-100mm (+/-0.5%), concave surface |
| Surface Accuracy: |
<lambda/10 at 633nm over clear aperture |
| Surface Quality: |
20-10 scratch and dig |
| Wedge: |
<5 arc minute |
| Chamfer: |
0.2mm x 45-deg typ |
| Concentricity: |
</=0.05mm |
| Coating Technology: |
Electron beam multilayer dielectric |
| Clear Aperture: |
>85% of outer diameter |
| Damage Threshold: |
1MW/cm2 CW, 5J/cm2 (10ns Pulse) |
| Coating (Concave Surface): |
S1: HR @ 950-1150nm (R>99.5%) ,0-deg AOI S2: Fine polished, uncoated | |