Wollaston polarizer is made of two birefringent material prisms that are cemented together .The deviations of the ordinary and extraordinary beams symmetrical about the input beam axis.so that the Wollaston polarizing beam splitter has approximately twice the deviation of the Rochon.The separation angle exhibits chromatic dispersion, as shown in the plot blow.Any separation angle can be designed upon requirement .The separation angle of standard products vs wavelength is shown in the plot below.
Specifications
Material
α-BBO,Calcite,YVO4,Quartz
Wavelength Range
α-BBO：190-3500nm，Calcite：350-2300nm, YVO4:500-4000nm, Quartz:200-2300nm
Extinction Ratio
Calcite, Quartz：<5*10-5,α-BBO, YVO4：<5*10-6
Surface Quality
20/10 Scrach/Dig
Beam Deviation
<3 arc minutes
Wavefront Distortion
500MW/cm2
Coating
Single MgF2
Mount
Black Anodized Aluminum
WOLLASTON POLARIZERS
Standard Products
α-BBO Wollaston Polarizer
Spectrum : IR, visible, UV
Options : Wollaston, quartz
Wavelength : Min.:
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