Business >> Precision Optics Division >> Products List >> Polarization Optics >> Polarizer >> Wollaston PolarizersWollaston Polarizers
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.
 a -BBO, 190-3500nm |
 Calcite:350-2300nm |
 Quartz, 200-3300nm |
 YVO4, 400-4000nm |
| Quartz, 200-3300nm | |
 MgF2, 200-4000nm
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Specifications:
| Material: | a -BBO, Calcite, YVO4, Quartz | |
| Wavelength Range: | a -BBO:200-3500 nm,Calcite:350-2300 nm,YVO4:400-5000nm,Quartz:200-2300nm | |
| Extinction Ratio: | Calcite, Quartz:<5x10 -5 ; a -BBO, YVO4:<5x10 -6 | |
| Parallelism: | <1 arc Min |  |
| Surface Quality: | 20-10 | |
| Beam Deviation: | Typical: <3', High Precision: <3" | |
| Wavefornt Distortion: | λ/4@633nm | |
| Damage Threshold: | >500 MW/cm 2 | |
| Coating: | Single MgF2 | |
| Mount: | Black Anodized Aluminium | |
Standard Products
| Part No. | Extinction Ratio | Separation Angle(°) | C.A. Φa (mm) | O.D. Φ d (mm) | L±0.1(mm) |
| WSP6006 | <5x10 -6 | 15°- 27 °16°@800nm | 5 | 15 | 9 |
| WSP6008 | 7 | 25.4 | 11 | ||
| WSP6010 | 9 | 25.4 | 13 | ||
| WSP6015 | 13.5 | 30 | 18 | ||
| WSP6020 | 18 | 38 | 24 |
2. Calcite Wollaston Polarizer
| Part No. | Extinction Ratio | Separation Angle(°) | C.A. Φ a (mm) | O.D. Φ d (mm) | L±0.1 |
| (mm) | |||||
| WSP7006 | <5x10 -5 | 16.7°-22.5°19°@980nm | 5 | 15 | 9 |
| WSP7008 | 7 | 25.4 | 11 | ||
| WSP7010 | 9 | 25.4 | 13 | ||
| WSP7015 | 13.5 | 30 | 18 | ||
| WSP7020 | 18 | 38 | 24 |
3. Quartz Wollaston Polarizer
| Part No. | Extinction Ratio | Separation Angle(°) | C.A. Φ a (mm) | O.D. Φ d (mm) | L±0.1 | Unit Price |
| (mm) | ||||||
| WSP9006 | <5x10 -5 | 2°-3 °2°@1064nm | 5 | 15 | 14 | $149.00 |
| WSP9008 | 7 | 25.4 | 18 | $199.00 | ||
| WSP9010 | 9 | 25.4 | 22 | $249.00 | ||
| WSP9015 | 13.5 | 30 | 32 | $359.00 | ||
| WSP9020 | 18 | 38 | 44 | $539.00 |
| Part No. | Extinction Ratio | Separation Angle(°) | C.A. Φ a (mm) | O.D. Φ d (mm) | L±0.1 |
| (mm) | |||||
| WSP8006 | <5x10 -5 | 19.6°-23.3°20°@1550nm | 5 | 15 | 8 |
| WSP8008 | 7 | 25.4 | 10 | ||
| WSP8010 | 9 | 25.4 | 12 | ||
| WSP8015 | 13.5 | 30 | 16 | ||
| WSP8020 | 18 | 38 | 21 |
| Part No. | Extinction Ratio | Separation Angle(°) | C.A. Φ a (mm) | O.D. Φ d (mm) | L±0.1 |
| (mm) | |||||
| WSP9006 | <5x10 -5 | 2°-3 °2°@1064nm | 5 | 15 | 14 |
| WSP9008 | 7 | 25.4 | 18 | ||
| WSP9010 | 9 | 25.4 | 22 | ||
| WSP9015 | 13.5 | 30 | 32 | ||
| WSP9020 | 18 | 38 | 44 |
A wide variety of custom design wollaston polarizer are available upon request custom designed separation angle at certain wavelength is available upon request custom-size mounter is available upon request .AR coated polarizer is available upon request.
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