Materials: Calcite, alpha-BBO or YVO4 crystal.
Two orthogonally polarized outputs, o-ray transmits
  directly, e-ray transmits with a displacement.
High extinction ratio ( > 100,000:1 ) over specified
  range of wavelength.

PBD Specifications
 
Dimensions Tolerance: +/- 0.2 mm
Wavefront Distortion: < λ/6 @632.8nm

Scratch/Dig: 40/20
Beam Deviation: < 0.5 arc minutes
Extinction Ratio: > 100,000:1

Coatings:

Input and output faces: AR with R<0.25% available upon request.

Structure and beam polarization

Aperture(mm)

Please specify and add to the part number, e.g. PDC1040-800 for 800nm.

Common AR coating:

Calcite: 775, 800, 820, and
           1064nm
α-BBO: 355, 400, 800, 532
           and 1064nm
YVO4: 1064, 1550nm