Wollaston Polarizer

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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 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 versus wavelength is shown in the plot below.

Separation Angular of Standard Products versus Wavelength:
 

a-BBO, 190-3500nm

Calcite:350-2300nm

Quartz, 200-3300nm

YVO4, 400-4000nm

 

Main 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:<5x10-5; a-BBO, YVO4:<5x10-6
Parallelism <1 arc Min
Surface Quality 20-10
Beam Deviation < 3 arc minutes
Wavefront Distortion l/4@633nm
Damage Threshold >500 MW/cm2
Coating Single MgF2
Mount Black Anodized Aluminum

Standard Products

1. a-BBO Wollaston Polarizer
Part No.
Extinction Ratio
Separation Angle()
C.A. 
fa (mm)
O.D. 
fd (mm)
L0.1(mm)

WSP6006

<5x10-6
15-27
16@800nm
6.0
15.0
14.0
WSP6008
8.0
25.4
16.0
WSP6010
10.0
25.4
18.0
WSP6015
15.0
30.0
23.0
WSP6020
20.0
38.0
28.0

 
2. Calcite Wollaston Polarizer
Part No.
Extinction Ratio
Separation Angle()
C.A. 
fa (mm)
O.D. 
fd (mm)
L0.1(mm)
WSP-7006
<5x10-6
16.7-22.5
19@980nm
6.0
15.0
14.0
WSP-7008
8.0
25.4
16.0
WSP-7010
10.0
25.4
18.0
WSP-7015
15.0
30.0
23.0
WSP-7020
20.0
38.0
28.0

 
3. Quartz Wollaston Polarizer
Part No.
Extinction Ratio
Separation Angle()
C.A. 
fa (mm)
O.D. 
fd (mm)
L0.1(mm)
WSP-9006
<5x10-6
2-3
2@1064nm
6.0
15.0
20.0
WSP-9008
8.0
25.4
24.0
WSP-9010
10.0
25.4
28.0
WSP-9015
15.0
30.0
38.0
WSP-9020
20.0
38.0
48.0

 
4. YVO4 Wollaston Polarizer
Part No.
Extinction Ratio
Separation Angle()
C.A. 
fa (mm)
O.D. 
fd (mm)
L0.1(mm)

WSP-8006

<5x10-6
19.6-23.3
20@1550nm
6.0
15.0
14.0

WSP-8008

8.0
25.4
16.0

WSP-8010

10.0
25.4
16.0

WSP-8015

15.0
30.0
20.0

WSP-8020

20.0
38.0
258.0

 

    

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