Wollaston polarizer

Photonchina’s wollaston polarizer can separate an incident beam into two rays: extraordinary and ordinary ray with a deviation angle which is dependent on wavelength. Both rays are transmitted through the other surface.

Specifications: 

Material: a-BBO, Calcite ,YVO4,Quartz
Wavelength Range: a-BBO:190-3500 nm, Calcite:350-2300 nm, YVO4:400-5000 nm,Quartz:200-2300 nm
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@632.8nm
Damage Threshold: >500 MW/cm2
Coating: Single MgF2
Mount: Black Anodized Aluminium

 

  1. a-BBO Wollaston Polarizer
Wavelength Range Extinction Ratio Separation Angle C.A.φa (mm) O.D.φd (mm) L (mm)
190~3500nm <5×10-6 16° @800nm 6.0 15.0 15.0
8.0 25.4 17.0
10.0 25.4 19.0
15.0 30.0 23.0
  1. Calcite Wollaston Polarizer
Wavelength Range Extinction Ratio Separation Angle C.A.φa (mm) O.D.φd (mm) L (mm)
350~2300nm <5×10-5 19° @980nm 6.0 15.0 15.0
8.0 25.4 17.0
10.0 25.4 19.0
15.0 30.0 23.0
20.0 38.0 29.0
  1. Yvo4 Wollaston Polarizer
Wavelength Range Extinction Ratio Separation Angle C.A.φa (mm) O.D.φd (mm) L (mm)
400~4000nm <5×10-6 20° @1550nm 6.0 15.0 15.0
8.0 25.4 17.0
10.0 25.4 19.0
15.0 30.0 23.0
20.0 38.0 29.0
  1. Quartz Wollaston Polarizer
Wavelength Range Extinction Ratio Separation Angle C.A.φa (mm) O.D.φd (mm) L (mm)
200~2300nm <5×10-4 2° @1064nm 6.0 15.0 20.0
8.0 25.4 24.0
10.0 25.4 28.0
15.0 30.0 38.0
20.0 38.0 48.0