CUSTOMIZED
Substrate material: UVFS (Corning 7980 0C)
Diameter: 50.0 mm +0/-0.1 mm
Thickness: 2.5 mm +/-0.1 mm
Coated aperture: 48 mm +/-0.25 mm
Clear aperture: min 40 mm
Surface quality, S1/S2: 20-10 S-D over CA MIL-PRF-13830B
Transmitted WFD: <λ PV @ 633 nm over CA
Parallelism: <1 arcmin
Protective chamfers: 0.3-0.5 mm x 45 deg
Chips: <0.5 mm stoned
Coatings (IBS):
S1: AR_abs<1% @ 540 nm - 750 nm, AR_abs<5% @ 400 nm - 900 nm, AOI=0-12 deg
S2: AR_abs<1% @ 540 nm - 750 nm, AR_abs<5% @ 400 nm - 900 nm, AOI=0-12 deg
S1+substrates+S2 performance: T>98% @ 540 nm - 750 nm + T>90% @ 400 nm - 900 nm, AOI=0 deg
LIDT: low power applications
