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acrylic circular polarizers

Glass Circular Polarizers

API offers glass circular polarizers for a broad range of applications in the electronics, photographic, scientific, and industrial markets. Our glass laminated circular polarizing filters are available in a range of in-stock and custom sizes. In addition, our glass polarizers are supplied with broad band anti-reflective (BBAR) coatings on both sides. For custom circular polarized applications, we offer research, development, and small quantity test runs to meet your needs.

  • Visible light spectrum
  • Multiple colors and transmission values
  • Wide range of thicknesses
  • In-stock filters or custom shapes and sizes
  • Broad band anti-reflective coatings (BBAR) are standard
  • Optional uncoated finishes and conductive coatings

Want to learn more? See how circular polarization works.