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 degree)
S1: Single wavelength partial reflectance
S2: Multilayer AR coatings

41_40_39_beam1a12580288544afbff3694e88

Wavelengths available(nm): 488, 514.5, 532, 632.8, 635, 670, 780, 850, 980, 1064, 1300, 1550 nm

Part No. FBS0101 FBS0201 FBS0401 FBS0301
Size(mm) 12.7×12.7×3 25.4×25.4×3 Dia. 25.4×3 50.8×50.8×3