TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

20mm NIR, Polarizing Cube Beamsplitter

TECHSPEC® Broadband Polarizing Cube Beamsplitters

Stock #49-871 3-4 days
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Beam Deviation (arcmin):
Clear Aperture (%):
Coating Specification:
Ravg <0.5% @ 700 - 1100nm
Dimensions (mm):
20.0 x 20.0 x 20.0 ±0.1
Extinction Ratio:
P-Polarization Transmission (%):
S-Polarization Reflection (%):
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Flatness (P-V):
Surface Quality:
Linear Polarizer
Wavelength Range (nm):
700 - 1100

Regulatory Compliance

Certificate of Conformance:

Product Family Description

  • 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.