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Broadband Polarizing Cube Beamsplitters

  • Visible and NIR Coating Options Offered
  • 500:1 Extinction Ratio
  • AR Coated for <0.5% reflection per surface

Designed for broadband applications, TECHSPEC® Broadband Polarizing Cube Beamsplitters offer a transmission of greater than 90% for P-polarized light and a reflection efficiency of greater than 99% for S-Polarized light across the entire design wavelength range. 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. An anti-reflection (AR) coating has been applied to each face of the beamsplitter to achieve less than 0.5% reflection per surface.

Common Specifications

Extinction Ratio:
500:1
S-Polarization Reflection (%):
>99
P-Polarization Transmission (%):
>90
Dimensional Tolerance (mm):
±0.1
Surface Flatness:
λ/8
Beam Deviation (arcmin):
±3

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