High Performance Two Channel PBS

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Description

For normal polarization Beamsplitter cube(PBS), the extinction ratio of the beam from reflected channel is not good, not suitable for special application which has high request for reflected channel, like interferometer. CRYLINK can offer high performance two channel PBS, due to our unique coating design, we can improve the extinction ratio of reflected channel. High performance two channel PBS is always used in interferometer.

Feature

  • High Extinction Ratio for Both Transmitted & Reflected Channels
  • Widely Used In Interferometer Application
  • Good Wavefront Distortion for Both Transmitted & Reflected Channels
  • RoHS Compliant

    Specifications

    Material BK7
    Dimension Tolerance ±0.2 mm
    Surface Quality 60/40 scratch and dig
    Clear Aperture >90 %
    Transmitted Wavefront Distortion <λ/8 @ 632.8 nm per 10 mm
    Reflected Wavefront Distortion <λ/8 @ 632.8 nm per 10 mm
    Beam Deviation <3 arc minutes
    Extinction Ratio Tp/Ts>1000:1, Rs/Rp>200:1
    Principal Transmittance Tp>97 %
    Principal Reflectance Rs>99.5 %
    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

     

    Product Number Material Dimension[mm] Extinction Ratio Tp/Ts Extinction Ratio Rs/Rp Wavelength[nm] Cart
    HCP001 BK7 12.7*12.7*12.7 1000 200 633
    HCP002 BK7 25.4*25.4*25.4 1000 200 633
    HCP003 BK7 12.7*12.7*12.7 1000 200 780
    HCP004 BK7 25.4*25.4*25.4 1000 200 780
    HCP005 BK7 12.7*12.7*12.7 1000 200 1064
    HCP006 BK7 25.4*25.4*25.4 1000 200 1064