Wire Grid Polarizers

Wire Grid Polarizers

We manufacture ruled wire grid polarizers on CaF2 and ZnSe substrates, together covering a wavelength range from 2.5 to 20 microns and holographic wire grid polarizers on ZnSe, CaF2, BaF2, KRS-5 and Ge, covering a wavelength region from 2.5 to 30 microns.

A wire grid polarizer is commonly used:

  • to polarize radiation from an unpolarized source.
  • to attenuate radiation from a polarized source.
  • in reflectance accessories for dispersive and FT-IR spectrophotometers.
  • in the study of metal surfaces and crystal structures at grazing incidence.

Two polarizers can be used:

  • in series to achieve extinction ratios greater than 90,000:1.
  • in series to polarize and attenuate a source.
  • in conjunction with a beamsplitter to create a polarizing beamsplitter simply by placing one polarizer in each beam tuned to opposite polarizations.

Learn more about polarizers here.

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