9721772

Protective chamfer (S1,S2): <0.25 mm x 45
Index Homogeneity: Grade C-E
Wedge, arcmin: < 3
Configuration: Corning 7979 (IR Grade fused silica)
Transmitted wavefront distortion, PV: λ/5 @ 632.8nm
Thickness, mm: 1 (± 0.05)
Surface quality (S1,S2), S-D: 10 – 5 (superpolished) before coating, 20-10 MIL after coating
S2: uncoated
S1: HR (R > 99.9 %) @ 343 + 355 nm, AOI 45° IBS
OH Content: <1 ppm
Chips, mm: < 0.1
Material: UVFS
Metallic Imp: <100 ppb
Inclusion: Class 0
Diameter, mm: Ø 11.5 (± 0.05)
Coatings:
Clear Aperture: > 90 %
Polishing compound: no metallic particles