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https://www.ecoptik.net/video/polarization-beamsplitter-cube-pbs.html

Polarizing Cube Beamsplitters Introduction
Polarization beamsplitter cube split randomly polarized beams into two orthog-onal, linearly, polarized components-S-polarized ligh is reflected at a 90°.

Angle while P-polarized light is transmitted. Each beamsplitter consists of a pair of precision high tolerance right angleprism cemented together with a dielectric coating on the hypotenuse of one of prism.

The coatings have been designed to hold both the S-and P-polarization components to the same ratio of reflection-to-transmission over aspecific laser wavelength region.

This means that they will not change the state of polarization of the incident beam. The low polarization dependence of the metallic-dielec-tric coating allows the transmission and reflection for S-and P-polarization states to be within 6% of each other. All entrance and exit surfaces are coated with a high efficiency, narrowband, anti-reflection coating. We offer both broadband and single wavelength.

Standard Coating wavelength:
Narrow Band:-----488,532,632.8,650,808,850,980,1064,1310,1550nm
Broadband:------450-650,650-850,900-1200,1200-1550,1500-1610nm

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