CUSTOMIZED
Substrate material: UVFS (Corning 7980 0F)
Diameter: 22.0 mm +0/-0.1 mm
Edge thickness: [4.8 mm]
Center thickness: 2.0 mm +/-0.2 mm
Clear aperture: min 20 mm
Surface quality, S1/S2: 20-10 S-D per CA as per MIL-PRF-13830B
Surface form error, S1 (CV): 3/-(0.5)
Surface form error, S2 (PL): 3/1(0.5)
Focal length: F=-49.9 mm @ 532 nm & -51.2 mm @ 1064 nm
Radius of curvature, S1 (CV): ROC=-23.0 mm +/-0.5 %
Centration error: <3 arcmin
Protective chamfers: 0.1 - 0.3 mm x 45°
Laser engraved arrow indicates S1 (CV)
Chips: <0.2 mm stoned
Coatings (IBS):
S1 (CV): Ru<0.15%@ 1064 + Ru<0.15%@ 532 nm + AR<10% @ 635 nm, AOI=0-2°
S2 (PL): Ru<0.15%@ 1064 + Ru<0.15%@ 532 nm + AR<10% @ 635 nm, AOI=0-2°
Total transmittance T>99.7% @ 1064 nm & 532 nm, AOI=0°
LIDT: >2 J/cm2 @ 1064 nm, 300 ps & >1 J/cm2 @ 532 nm, 300 ps