Beamsplitter Cubes


Part Number: 21b3731522f7


Polarization Beamsplitter Cubes

These beamsplitters are based upon using two complementary prisms. The output beam that is parallel to the input beam is p-polarized, while the orthogonal output beam is s-polarized.


Material: BK-7 grade A optical glass
Dimension Range: 3.2mm to 50.8mm
Dimensional Tolerance: ±0.2mm
Angular Tolerance: ±3 arc minutes
Surface Quality/Scratch & Dig: 60/40
Beam Deviation: 3 arc minutes
Extinction ratio: >100:1
Principal transmittance: Tp>95% and Ts<1%
Principal reflectance: Rs>99% and Rp<5%
Wavelength range: 226nm to 2300nm
Polarization beamsplitter coating: On hypotenuse
AR coating: R<0.25% per face for 4 faces

Pricing and ordering info

Model Narrow Broad Size mm Price $
BSPN1-5-X N 5x5x5 148
BSPN1-10-X N 10x10x10 148
BSPN1-15-X N 15x15x15 185
BSPN1-20-X N 20x20x20 209
BSPB1-10-Y B 10x10x10 160
BSPB1-15-Y B 15x15x15 190
BSPB1-20-Y B 20x20x20 203

X = Narrow Band Wavelengths: 488, 514, 633, 780, 850, 1064, 1300, 1550 nm, Y = Broad Band Ranges(nm): 1=450-680, 2=650-850, 3=900-1200, 4=1200-1550

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The above Beamsplitter specifications are general, we would be happy to quote for your specific requirements.

We make custom versions of everything on this site. Send us your drawings or specifications and we will provide a quotation.