Substrate Material: |
BK7 glass |
Surface Flatness: |
<lambda/10 at 633nm over clear aperture (>90% of outer diameter) |
Surface Quality: |
20-10 scratch and dig |
Outer Diameter: |
12.7,-0.1/+0mm |
Edge Thickness: |
6.0,+/-0.2mm |
Radius Type(ROC): |
Plano-concave, ROC= -100mm(surface S1) |
Wedge: |
<1 arc minute |
Protection Chamfer: |
0.2mm at 45-deg typical |
Concentricity: |
</=0.05mm |
Coating Technology: |
Electron beam multilayer dielectric |
Clear Aperture: |
Exceeds central 90% of dimension |
Damage Threshold: |
1MW/cm2 CW, 5J/cm2 (10ns pulse) |
Coating (0-deg AOI): |
S1(concave surface): R>99.5% @ 1550nm, +/-40nm,0-deg AOI S2(back plano-surface): AR @ 1550nm,+/-40nm(R<0.25%), 0-deg AOI | |