Polarizing Cube Beamsplitter

Polarizing cube beamsplitters split randomly polarized beams into two orthogonal, linearly polarized components: S-polarized light is reflected at a 90 deg angle while P-polarized light is transmitted. Each beamsplitter consists of a pair of precision high tolerance right angle prisms cemented together with a dielectric coating on the hypotenuse of one of the prisms. A multi-layer antireflective coating has been applied to each face of the beamsplitter in order to produce maximum transmission efficiency.



BK7, grade A fine annealed

Design wavelength:

Clear aperture:


Dimension tolerance:


Angle tolerance:

+/- 3 arc minutes

Surface quality:


Surface accuracy:


AR coating:

R < 0.25% per surface @ 632.8nm


Tp > 95% @ 632.8nm


Rs > 99.5% @ 632.8nm

Extinction Ratio:

Tp / Ts > 100: 1 @ 632.80nm



至: West Coast Tech Limited
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