A-Star produce Polarization Cube Beamsplitter,High Extinction PBS,Non-Polarizing Cueb Beamsplitter.
For the detailed specifications please see each product link.

Polarization Cube Beamsplitter

Polarizing Cube Beamsplitters split randomly polarized beams into two orthogonal, linearly, polarized components-S-polarized light is reflected at a 90deg.Angle while P-polarized light is transmitted.

High Extinction PBS

Beam splitters are optical components used to split input light into two separate parts. Beamsplitters are common components in laser or illumination systems.