Substrate Material: |
Schott D263 glass (t0.7mm polished) |
Outer Diameter: |
Dia 25.4,-0.2/+0.0mm, un-mounted with clear aperture >Dia 22.0mm |
Thickness: |
0.70+/-0.05mm (un-mounted) |
Scratch/Dig: |
60-40 S/D per Mil-0-13830A |
Surface Flatness: |
<lambda/4 @ 633nm over aperture (19mm in diameter) |
Construction: |
Full Dielectric Coating; Dichroic mirrror designed |
Transmission Region: |
400 ~ 634nm |
Transmission: |
T>80% min(typ.); Average T>90% @400-634nm
Note: T>91% @ 632.8nm (0-deg AOI) |
Cut-off Wavelength(3dB point): |
640nm(full dielectric coating design) |
Rejection Region: |
650-950nm, OD>4(T<0.01% abs). OD>5 average
Note: T<0.005% @680nm (0-deg AOI) |
Back Surface: |
Polished/uncoated; 60-40S/D,<lambda/4 @ 633nm over aperture (19mm in diameter) |