CUSTOMIZED
Material: UVFS, Corning 7980 0F
Diameter: 25.4 mm +0/-0,1 mm
Thickness: 3 mm +/- 0,1 mm
Clear aperture: >80%
Surface quality, S1/S2: 10-5 SD over CA (MIL-PRF-13830B)
Surface flatness, S1: λ/8 @ 632.8 nm over CA
Wave-front distortion: λ/10 @ 632.8 nm over CA
Parallelism: <3arcmin
Protective chamfer: 0.25 mm x 45 deg.
Coatings (IBS):
S1 (arrow marks): HR>99% @ 376-425 nm + HT>98% @ 700-900 nm, AOI 45 deg
GDDr +/- 20 fs2@ 376-425 nm
S2: AR<1% @ 700-900 nm + SCC for improved S1 flatness.