30 Jun 2009 FOCtek offers various BeamSplitter like Beamsplitter Plate,Cube BeamSplitter,custom Beamsplitter with materials:Bk7,Fused Silica,Pyrex and so on. Material: -----------BK7 Grade A optical glass
Dimension Tolerance: -------------------±0.2mm
Thickness Tolerance: ------------------ ±0.2mm
Flatness: ---------------------------/4@632.8nm
Surface Quality: --------60-40 scratch and dig
Parallelism: -----------------------<1 arc minute
T/R: --------50/50±5%, for random polarization
------------- T=(Ts+Tp)/2, R=(Rs+Rp)/2
Coating: (Incidence Angle: 45degree)
Surface 1: ------- Partial Reflectance coating
Surface 2: ------------------------ AR Coating
Standard Coating wavelength:
Narrow Band: ----- 488, 532, 632.8, 650, 808, 850, 980, 1064, 1310, 1550 nm
Broadband: ------- 450-650, 650-900, 900-1200, 1200-1550, 1500-1610 nm |