A Wollaston polarizer has wider field of view than other birefringent polarizers. The two prisms are cemented together. Both ordinary and extraordinary beams transmit through the prism, however, at a deviation angle of 15° to 45° depending on the wavelength.
Material | a-BBO or Calcite |
Wavelength Range | a-BBO: 190-3500nm, Calcite: 350-2300 nm /td> |
Extinction Ratio | Calcite:<5x10-5; a-BBO:<5x10-6 |
Diameter Tolerance | ±0.10 mm |
Parallelism | <1 arc Min |
Surface Quality | 20/10 |
Beam Deviation | < 3 arc minutes |
Wavefront Distortion | λ/4@632.8nm |
Damage Threshold | >500 MW/cm2 |
Coating | MgF2 |
Mount | Black anodized aluminum |