Meadowlark Optics

Large Aperture Retarder


  • Outer diameter up to 6 inches
  • Clear aperture > 90%
  • Custom size, retardance and wavelength range available
  • Spatial uniformity of less than 2% across clear aperture
  • Various materials available: (polymer, quartz, sapphire, magnesium fluoride and liquid crystal)

Large Aperture retarders are available in a variety of different sizes and shapes with custom retardances at specific wavelengths. Combinations of different materials allow custom achromatic, athermal, or wide angle designs. Please contact your Meadowlark Optics Sales Engineer for a custom quote.

Large Aperture Retarder

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