In stock
Surface irregularity, P-V, S1: <λ/2@633 nm per CA
Protective chamfers: <0.25 mm x 45°
Surface flatness, P-V, S2: <λ/4@633 nm per CA
S2: AR(R<0.2%)@950 - 1100 nm, AOI=0°
S1: AR(R<0.2%)@950 - 1100 nm, AOI=0°
ROC, S2: ∞
ROC, S1: -128.6 mm (+/-1%)
Surface quality, S1/S2: 20/10 S/D (40/20 S/D after coating)
Center thickness, mm: 2.0 mm (+/-0.1 mm)
Focus length: -300.0 mm (+/-3%) @633 nm
Edge thickness, mm: 2.63 mm (+/-0.1 mm)
Diameter, mm: 25.4 mm (+0.0/-0.1 mm)
Coatings: IBS, Low GDD
Clear aperture: >90%
Centration error: <3 arcmin
Material: CaF₂ (laser grade)
Protective chamfers: <0.25 mm x 45°
Surface flatness, P-V, S2: <λ/4@633 nm per CA
S2: AR(R<0.2%)@950 - 1100 nm, AOI=0°
S1: AR(R<0.2%)@950 - 1100 nm, AOI=0°
ROC, S2: ∞
ROC, S1: -128.6 mm (+/-1%)
Surface quality, S1/S2: 20/10 S/D (40/20 S/D after coating)
Center thickness, mm: 2.0 mm (+/-0.1 mm)
Focus length: -300.0 mm (+/-3%) @633 nm
Edge thickness, mm: 2.63 mm (+/-0.1 mm)
Diameter, mm: 25.4 mm (+0.0/-0.1 mm)
Coatings: IBS, Low GDD
Clear aperture: >90%
Centration error: <3 arcmin
Material: CaF₂ (laser grade)
