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Wollaston Polarizer & Beamsplitter

Wollaston-Polarizer

Wollaston polarizers, or Wollaston prisms are made of two birefringent crystal prisms which are cemented together. The deviations of the ordinary and extraordinary beams are nearly symmetrical about the input beam axis in Wollaston polarizer. Wollaston polarizing beam splitter has approximately twice deviation of Rochon polarizer. The separation angle of Wollaston polarizer is determinded by wollaston prisms wedge and wollaston prisms' optical index. The separation angle of standard Wollaston polarizer vs wavelength is listed in the following table. Different separation angle of Wollaston polarizer can be designed upon request.

Wavelength(nm) MgF2 a-BBO Calcite YVO4 Quartz
130 2.80
150 3.24
170 3.19
190 3.11 27.18
200 3.07 25.00 2.93
266 2.89 19.39 2.47
355 2.78 17.45 22.39 2.23
400 2.75 17.01 21.54 26.33 2.18
532 2.70 16.38 20.28 22.93 2.08
633 2.68 16.17 19.80 21.87 2.05
808 2.66 15.99 19.34 20.96 2.02
980 2.64 15.93 19.02 20.53 2.00
1064 2.64 15.91 18.88 20.40 2.00
1319 2.62 15.92 18.50 20.14 1.99
1550 2.60 15.96 18.14 20.00 1.99
2000 2.56 16.10 17.36 19.86 2.00
2500 2.50 16.33 16.30 19.77 2.00
3000 2.43 16.63   19.71
4000 2.25 17.44   19.62
5000 2.01 18.56   19.54
6000 1.70

Specifications of Wollaston Polarizers

Polarizer Type: Wollaston Polarizer
Material: a-BBO, Calcite, YVO4, Quartz, MgF2
Wavelength Range: a-BBO: 200-3500nm, Calcite: 350-2300nm, YVO4: 400-4500nm, Quartz: 200-2300nm, MgF2: 130-6500nm
Surface Quality: 20-10
Wavefront Distortion: < 1/4 @633nm
Coating: Single Layer MgF2
Extinction Ratio: > 55dB a-BBO YVO4 MgF2, > 45dB Quartz Calcite
Damage Threshold: > 500MW/cm2
Temperature Range: -50 deg. C to 80 deg. C
Mount: Black anodized aluminum

Standard Sizes: 6mm, 8mm, 10mm, 12.7mm, 15mm, 20mm

Wollaston Polarizers Order Information

OptoCity offer high quality Wollaston polarizers at very competitive price. Standard Wollaston polarizers are available in stock. Custom specified Wollaston polarizer is also available upon request. Please send us an email to request for quote.

Order Wollaston Polarizer

Wollaston Polarizer

WSA6010 10mm alpha-BBO Wollaston polarizer
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WSQ9010 10mm Quartz Wollaston polarizer
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WSY8010 10mm YVO4 Wollaston polarizer
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WSC7010 Calcite Wollaston polarizer
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Notes:*OptoCity offers standard and custom made polarizer at very competitive price, please contact our professional sales staff for more information.

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