Waveplates

Special Optics' polarization optics feature:

  • No UV Cement Used in Construction (Air Spaced Design)
  • High Damage Threshold (500 MW/cm2)
  • Minimal Insertion Loss

An Achromatic Waveplate is similar to a Zero-Order Waveplate but instead or being designed with pieces of Crystal Quartz, an Achromatic Waveplate is made up of one piece of Crystal Quartz and one piece of Magnesium Fluoride, MgF2. As a result of the dissimilar wavelength dependence value shifts in one plate due to the wavelength change will be compensated by the other plate. Because both Crystal Quartz and MgF2 have positive birefringence, achromatic waveplates are sensitive to alignment and are recommended only for use with collimated beams. With an air-spaced design, Achromatic Waveplates offer a broader bandwidth than zero or multiple waveplates and a higher damage threshold than polymer waveplates.

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  • Zero and Multiple Order Waveplates
  • Waveplates Specs

A Zero or Multiple Waveplate is constructed of two Crystal Quartz plates that are oriented so the optical axes are orthogonal. All Special Optics zero-order waveplates are an air-spaced design and comprised of two pieces of Crystal Quartz. Our mass production allows us to match waveplate halves so that retardation plates can be assembled for any wavelength throughout the 248-1600nm range.

Features

  • No UV Cement Used in Construction (Air-Spaced Design)
  • High Damage Threshold (500 MW/cm2)
  • Minimal Insertion Loss
SPECS
  • AR Coatings: < 0.05 % Reflectance Per Surface
  • Material: Quartz
  • Parallelism: < 1 Arc Second
  • Retardation Tolerance: +/- 0.005 Waves
  • Wavefront Distortion: 1/8 Wave
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