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. Union Optic 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

  • Widely Used In Interferometer Application

  • High Extinction Ratio for Both Transmitted & Reflected Channels

  • 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