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White gloved hand holding an example Quarter Wave & Half Wave Retarder Film | American Polarizers, Inc.

Quarter Wave, Half Wave & Full Wave Plate Film

Our quarter wave, half wave, and full wave plates (retarders) are high quality single layer polycarbonate films for excellent performance and clarity. A waveplate is a birefringent material that alters (retard) the polarization state or phase of light traveling through it.

Our wave plates feature uniform birefringence, very low haze, good environmental stability and excellent wide-angle view performance. API also laminates our polymer wave retarder films to acrylic or glass for increased durability and optical performance.

  • 1/4 wave, 1/2 wave and full wave
  • Excellent clarity and uniform birefringence
  • Polycarbonate based polymer film
  • In-stock or custom shapes and sizes
  • High performance near achromatic quarter wave plate available

Want to learn more? See how waveplates and retarders work.