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Broadband Dielectric Beamsplitter Plate

The common Beam splitters are used to split or combine laser beam. However Polarization BeamSplitters are used to split or combine two perpendicular polarization laser beam. The performance of beamsplitters is mainly dependent on the coating specifications.


    • Material: BK7 or UV Fused silica

    • dimensions Tolerance: ±0.1mm

    • Thickness Tolerance: ±0.1mm

    • Flatness: λ/10@632.8nm

    • Surface Quality : 20/10 scratch & dig

    • Parallelism: 10″

  • Clear Aperture: >90%

  • Beamsplitter Coating: Rs=50%±5%,Rp<Rs AOI=45 degree

  • AR Coating: Multilayer coating: Ravg<0.75%  AOI=45 degree


  • Standdard wavlength Range: 480-700nm, 700-950nm, 1250-1610nm
  • Standard dimension: 12.7mm, 25.4mm, 50.8mm. Other dimension are available.