Substrate Material: |
Corning UVFS 7980 |
Outer Diameter: |
25.4,-0.1/+0.0mm |
Thickness: |
2.0,+/-0.1mm |
Surface Quality: |
20/10 S/D per MIL Standard |
Flatness: |
<Lambda/10 at 633nm over clear aperture (>80% of outer surface) |
Parallelism: |
<30 arc seconds |
Coating Wavelength: |
400-450nm, non-polarization coating design |
Angle of Incedence: |
45-deg AOI |
Splitting Ratio: |
R50:T50 designed (45-deg AOI) |
Splitting Ratio Tolerance: |
<5% over entire wavelength range |Ts-Tp|<10% and |Rs-Rp|<10% |
Front Surface Transmission at 45-deg AOI: |
T=50% at 400-450nm (within +/-5%) |
Front Surface Reflection at 45-deg AOI: |
R=50% at 400-450nm (within +/-5%) |
Back Surface AR Coating: |
Ravg <0.5% max at 400-450nm band |
Temperature Range: |
-50 to +80 deg C |