Polarization Beamsplitter Cube

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  • Widely used in most application

  • Good Extinction Ratio

  • RoHS Compliant


Material BK7, SF glass
Dimension Tolerance ±0.2 mm
Surface Quality 60/40 scratch and dig
Clear Aperture >90 %
Flatness <λ/4 @ 632.8 nm per 25 mm
Beam Deviation <3 arc minutes
Extinction Ratio Tp/Ts>1000:1 for narrow band, Tp/Ts>100:1/>1000:1 for broad band
Principal Transmittance Narrow: Tp>95%, Ts<1%
Broad: Tp>90% , Ts<1%
Principal Reflectance Narrow: Rs>99% and Rp<5%
Broad: Rs>99% and Rp<10%
Coating Polarization beamsplitter coating on hypotenuse face
AR coating on all input and output faces
Damage Threshold >500 mJ/cm2, 20 ns, 20 Hz, @ 1064 nm