CUSTOMIZED
Substrate material: UVFS
Diameter: 50.8 mm +0/-0.1 mm
Thickness: 9.52 mm +/-0.1 mm
Clear aperture: min. 40 mm
Roughness, S1: <5 A RMS
Surface quality, S1: 10-5 S-D over CA (as per MIL-PRF-13830B)
Surface flatness, S1: <λ/8 @ 633 nm over CA
Parallelism: <10 arcsec
Protective chamfers: 0.1-0.4 mm x 45 deg
Coatings (IBS):
S1: HRs>98.5%@235 - 280 nm & HRp>97.5%@241 - 271 nm, AOI=45 deg
GDD Rsp=0 +/-10 fs^2 @ 241 - 271 nm
S2: Uncoated
