9581598

Dimensions, mm: Ø25.4 (+0/-0.6)
Material: UVFS
Wedge / Parallelism error: <30 arcmin
S1 Surface quality, S-D: 40-20
S1 Flatness, PV: <λ/4 @ 632.8 nm
ROC S1, mm: -2000 (±3%)
Adhesion and durability: Per MIL-C-675C
Angle of Incidence (AOI), °: 8
Damage threshold: > 0.3J/cm² 800nm
Coatings on S1: HR(R<99%)@750-850nm
Clear Aperture: >90
Circumference finish: fine grounding
Group Delay Dispersion (P pol.): < 50 fs² @ 750-850 nm
Edge Thickness, mm: 5 (±1)
Center Thickness, mm: 4.96 (±1)