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Beamsplitter plate is an optical window with semi-transparent mirrored coating to break a beam into two separate beams. Specifications
Material
BK7
Dimension Tolerance
+0.0/-0.1mm
Thickness Tolerance
±0.2mm
Clear Aperture
>90%
Parallelism
<1 arc minute or better
Surface Quality
60/40 or better
Flatness
<λ/4@633nm per 25mm or better
Chamfer
Protected <0.5mmx45deg
T/R
50/50±5%, for natural light T=(Ts+Tp)/2, R=(Rs+Rp)/2
Coating(AOI=45deg)
S1: Partial reflectance coating S2: AR coating
Single Wavelength
488, 532, 632.8, 650, 808, 850, 980, 1064, 1310, 1550 nm
Broadband
450-650, 650-900, 720-1080, 900-1200, 1200-1600nm