acrylic linear and circular

Acrylic Linear Polarizers

API offers an acrylic polarizing filter for a wide range of applications. Linear polarizers, circular polarizers, quarter wave plate retarders and half wave plate retarders available in-stock or custom sizes. For linear polarized filters, we offer 27%, 32%, 38% and 42% transmissions.

If you do not see a size or shape you require, we can easily make a polarization filter for you using our in-house laser and waterjet capabilities.


  • Linearly polarized filters
  • Circular polarization filters
  • Quarter wave plate retarders
  • Film and glass laminates also available

Want to learn more about linear polarization? See how it works.

The Clear Choice for Polarized Products

Turn your product ideas into successful solutions by partnering with API, a global leader in the field of optical technology. Our expertise in polarization is backed by nearly 60 years of experience and industry-leading product development standards, including ISO 9001:2015 certification for quality control.

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