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50 x 50mm Ultra Broadband Wire Grid Linear Polarizer

Unmounted Ultra Broadband Wire Grid Linear Polarizer

Stock #68-751
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Qty 1-10
Qty 11+
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Surface Quality:
Alignment Tolerance (°):
Operating Temperature (°C):
-40 to +200
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Fused Silica (Corning 7980)
Thickness (mm):
Clear Aperture CA (mm):
46.0 x 46.0
Dimensions (mm):
50.0 x 50.0
Extinction Ratio:
5000:1 @ 3200nm
Wire Grid
Wavelength Range (nm):
300 - 3200
Transmission (%):
>80 (Typical) @ 450nm
Dimensional Tolerance (mm):
Thickness Tolerance (mm):
Angle of Incidence (°):
±20 without depolarization
Linear Polarizer
Thermal Expansion:
5.5 x 10-7/°C

Regulatory Compliance

RoHS 2015:
Reach 224:
Certificate of Conformance:

Product Family Description

  • Reflect S-Polarized Light
  • Transmit P-Polarized Light
  • Excellent Performance from UV to IR

Ultra Broadband Wire Grid Polarizers consist of a thin layer of aluminum MicroWires layered between two Fused Silica windows. Designed for multi-wavelength applications, these polarizers have excellent heat resistance and performance beginning in the UV and extending into the infrared (IR).

Note: The input beam should be oriented towards the cover glass side, indicated by a reference mark which also indicates the direction of the transmission axis.

Wire Grid Polarizers are constructed by attaching MicroWires to the first window, and then applying a thin cover glass onto the wire grid surface to protect the wire from damage. The light is polarized by the birefringent nature of the wire grid surface. When incident light strikes the wire grid, P-polarized light contacts a dielectric and is transmitted, while S-polarized light contacts a mirror and is reflected.

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