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High Performance Two Channel PBS

High Performance Two Channel PBS

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.

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

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Description

Material BK7
Dimension Tolerance ±0.2mm
Surface Quality 60/40 scratch and dig
Clear Aperture >90%
Transmitted Wavefront Distortion <λ/8@632.8nm per 10mm
Reflected Wavefront Distortion <λ/8@632.8nm per 10mm
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 >500mJ/cm2, 20ns, 20Hz, @1064nm

Additional information

Rs/Rp

Rs/Rp>200, Rs/Rp>500, Rs/Rp>200, Rs/Rp>500
Tp/Ts

Tp/Ts>1000, Tp/Ts>3000, Tp/Ts>1000, Tp/Ts>3000
Wavelength(nm)

1028-1064, 1053-1083, 1064, 1525-1575, 1560, 2000-2100, 313-323, 351-355, 397-405, 460-488, 556, 780, 780-810, 840-850, 850-866, 852
Dimension(mm)

10*10*10, 12.7*12.7*12.7, 15*15*15, 20*20*20, 25.4*25.4*25.4, 8*8*8
Extinction Ratio

Tp/Ts>1000, Tp/Ts>1000
Material

BK7, UVFS

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