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S1 Surface quality, S-D: 60-40
Thickness, mm: 9.5
S1 Flatness, PV: <λ/4 @ 632.8 nm
Material: H-K9L
Dimensions tolerance, mm: (+0/-0.1)
Clear aperture: >90
ROC S1, mm: -500
Metallic coating on S1: Protected Gold Ravg>96% @ 750 -2000 nm

Surface quality, S-D: 40-20
Wedge / Parallelism error: <1arcmin
S1 Flatness, PV IR S2 Flatness, PV: <λ/8 @ 632.8 nm
Dimensions, mm: Ø25.4 (+0/-0.1) x 6 (±0.1)
Clear Aperture: >90
Protective chamfers: <0.25 mm x 45°
Metallic coating: Protected Gold, Ravg > 96% @ 750 - IR

Configuration: Flat/Flat
Surface quality, S-D: 40-20
Metallic coating: UV enhanced Aluminum Ravg>85% @ 250-600 nm
S1 Flatness, PV IR S2 Flatness, PV: <λ/8 @ 632.8 nm
Dimensions, mm: Ø25.4 (+0/-0.1) x 5 (±0.1)
Clear Aperture: >90
Protective chamfers: <0.25 mm x 45°

Wedge / Parallelism error: <1arcmin
Configuration: Flat/Flat
Material: UVFS
Clear Aperture: >90
S1 Flatness, PV IR S2 Flatness, PV: <λ/8 @ 632.8 nm
Dimensions, mm: Ø76.2 (+0/-0.1) x 6 (±0.1)
Surface quality, S-D: 40-20

Thickness, mm: 5 (±0.1)
Surface quality, S-D: 20-20
Protective chamfers: 0.1-0.25 mm x 45°
Material: UVFS (Corning 7980 0F)
Diameter, mm: Ø12.7 (+0/-0.1)
Clear Aperture: >90
Coatings:
S1: HR (R>85%) @ 400-2700 nm (Protected Aluminum)