Narrow Band Beamsplitter Plate

Material:
BK7 Grade A optical glass
Dimension Tolerance:
±0.2mm
Parallelism: 
<1 arc minute
Flatness:
λ/4@632.8nm per 25mm
SurfaceQuality:
60-40 scratch and dig
T/R:
50/50±5%, for natural light T=(Ts+Tp)/2, R=(Rs+Rp)/2
Coating(AOI=45deg):
S1: Partial reflectance at single wavelength
S2: "V" AR coating
Standard Wavelength:
532, 633, 650, 780, 850, 980, 1064nm


Broad Band Beamsplitter Plate

Material:
BK7 Grade A optical glass
Dimension Tolerance:
±0.2mm
Parallelism: 
<1 arc minute
Flatness:
λ/4@632.8nm per 25mm
Surface Quality:
60-40 scratch and dig
T/R:
50/50±5%, for natural light T=(Ts+Tp)/2, R=(Rs+Rp)/2
Coating(AOI=45deg):
S1: Broad band partial reflectance
S2: Broad band AR coating
Standard Wavelength:
450-650nm, 650-900nm, 900-1200nm


Note: Other T/R such as 30/70 or 20/80 can be made upon request.