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Home > Beamsplitters > Beamsplitter Cubes

Beamsplitter Cubes
Cube beamsplitters are constructed by cementing two precision right angle prism together with appropriate interference coating on the hypotenuse surface. The absorption loss to the coating is minimal transmission and reflection approach 50%(average) though output is partially polarized. If polarization sensitivity is critical to your application, we recommend that Polarization Cube Beamsplitter or Non-Polarization Cube Beamsplitter.
Beamsplitter Cubes
Material:BK7 grade A, optical glass
Diameter Tolerance:+0.0,-0.1mm
Surface Figure:l/4 @ 632.8 nm per 25mm
Surface Quality:60/40 scratches and dig
Parallelism:<3 arc minute
T/R:50/50%, for random polarizationg
  T=(Ts+Tp)/2, R=(Rs+Rp)/2
Bevel:<0.25mm x 45°

Coatings(incidence angle:45 degree)
  Hypotenuse Face:Partial reflectance
  All input and out faces:AR-coating
Standard Coating Wavelength
  Narrow Band:488,532,632.8,650,808,850,980,1064,1310,1550nm

Note: special size, split ratio and coating are available upon request.