China Wollaston Polarizers Instruction
Wollaston polarizer is made of two birefringent material prisms that are cemented together.
Wollaston polarizer is made of two birefringent material prisms that are cemented together. The deviations of the ordinary and extraordinary beams are nearly 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 blow. Any separation angle can be designed upon the requirement. The separation angle of standard products vs wavelength is shown in the plot below.
Separation Angular of Standard Products vs Wavelength
| a -BBO, 190-3500nm | Calcite:350-2300nm |
| Quartz, 200-3300nm | YVO4, 400-4000nm |
China Wollaston Polarizers Specifications
| Material | a-BBO, Calcite, YVO4, Quartz | |
| Wavelength Range | a-BBO:190-3500 nm,Calcite:350-2300 nm,YVO4:400-4000nm,Quartz:20-2300nm | |
| Extinction Ratio | Calcite, Quartz:<5×10-5 ; a-BBO, YVO4:<5×10-6 | |
| Parallelism | <1 arc Min | |
| Surface Quality | 20-10 | |
| Beam Deviation | < 3 arc minutes | |
| Wavefornt Distortion | λ /4@633nm | |
| Damage Threshold | >500 MW/cm2 | |
| Coating | Single MgF2 | |
| Mount | Black Anodized Aluminium | |
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Wollaston Polarizer is made of birefringence material prisms that are cemented together. The ordinary ray in the first half of the prism becomes the extraordinary ray in the second half. The Wollaston Polarizing beam splitter has approximately twice the deviation for the Rochon Polarizer.
A-Star is Wollaston Polarizers manufacturer and supplier in Fuzhou , China.