Product Description

Material: BK7 Grade A Optical Glass
Dimension Tolerance: ± 0.2mm
Thickness Tolerance: ± 0.2mm
Flatness: l/4 @ 632.8 nm per 25mm
Surface Quality: 60/40 scratch and dig
Parallelism: 1 arc minute
T/R: 50/50± 5%, for natural light
T=(Ts+Tp)/2, R=(Rs+Rp)/2
Coatings: (Incidence angle: 45 degrees)
S1: Broadband partial reflectance
S2: Broadband AR coatings

41_40_39_beam1a12580288544afbff3694e88

Wavelength(nm) 450-650 650-900
Size(mm) Part No. Part No.
12.7×12.7×3 FBS0102 FBS0103
25.4×25.4×3 FBS0202 FBS0203
50.8×50.8×3 FBS0302 FBS0303
f25.4×3 FBS0402 FBS0403

Wavelength(nm) 900-1200 1200-1550
Size(mm) Part No. Part No.
12.7×12.7×3 FBS0104 FBS0105
25.4×25.4×3 FBS0204 FBS0205
50.8×50.8×3 FBS0304 FBS0305
f25.4×3 FBS0404 FBS0405

Please contact us for larger quantity factory pricing.