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Linear Polarizers
Linear Polarizer Film
Acrylic Linear Polarizers
Glass Linear Polarizers
Near IR (Infared) Linear Polarizers
UV (Ultraviolet) Linear Polarizers
Circular Polarizers
Circular Polarizer Film
Acrylic Circular Polarizers
Glass Circular Polarizers
Wave Plate & Retarders
Quarter Wave, Half Wave
& Full Wave Plate Film
Acrylic Quarter Wave, Half Wave
& Full Wave Plates
Glass Quarter Wave, Half Wave
& Full Wave Plates
(3M) Display Enhancement
3M Display Protection Films
3M Reflector Films (ESR)
3M Brightness Enhancement Films (BEF)
3M Light Control Privacy Filters (ALCF)
3M Reflective Polarized Films (DBEF)
Custom Optical Filter Options
Circular Polarizer Optical Filters
Linear Polarizer Optical Filters
Quarter Wave, Half Wave plate Optical Filters
Acrylic & Polycarbonate Optical Filters
Glass Optical Filters
3M Display Enhancement Films
Near IR (Infared) Sensor Filters
Stock Filters
Pre-Cut Linear Polarizers
Pre-Cut Circular Polarizers
Pre-Cut Waveplates (retarders)
American Polarizers, Inc.
For nearly six decades, American Polarizers has built a reputation for precision, innovation, and exceptional quality. As a global leader in optical technology, API provides cutting-edge polarizing materials and solutions tailored to a diverse range of industries. From aerospace and imaging to computer vision, motion picture cameras, passive 3D systems, and biomedical applications, API’s products are designed to meet the highest standards. Whether it’s for nondestructive testing, quality control, or advanced measurement systems, API delivers reliable solutions that power innovation across the globe.
Industry Categories
Dental & Medical
Visual Display & Protection
Machine Vision
Food Processing
Avionics
Automation Sensors
Latest News
Linear vs. Circular Polarizers: What’s the Difference?
Linear and circular polarizers are among the most commonly used polarization optics. While they may appear similar, they serve different purposes and are optimized for different applications. Key Takeaways Linear polarizers transmit one polarization orientation....
Polarization Introduction and Definition by American Polarizers
Polarization is one of the most fundamental properties of light and plays a critical role in modern optics, scientific research, aerospace, medical imaging, machine vision, laser systems, photography, telecommunications, and countless industrial applications....
API Shows Students Why Manufacturing Is Cool
“What’s so cool about manufacturing?” That’s the question students from Exeter Township Junior High School in Reading asked the team at API — and they used their answers to produce a video for the annual “What’s So Cool About Manufacturing?” contest. The...
