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25mm Dia. Left-Handed Uncoated Glass Circular Polarizer (CP42HE)

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Diameter (mm):
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Polymer Film CP42HE Laminated Between Glass
Operating Temperature (°C):
-40 to +80
Thickness (mm):
2.00 ±0.10
Transmission (%):
42 ±2
Left-Handed Circular Polarizer
Dimensional Tolerance (mm):
Laminated Glass Polarizing Film
Wavelength Range (nm):
400 - 700
Polarization Efficiency (%):

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 235:

Product Family Description

  • Uncoated and Visible AR Coated Options
  • Left-Hand Circular Polarization
  • Increased Durability in Machine Vision Applications

Glass Circular Polarizers (CP42HE) are designed for reducing surface reflection and glare, making them ideal for a variety of imaging applications. These circular polarizers feature a linear sheet polarizer and quarter-wave retarder laminated between two optical-grade glass windows. The window substrates provide increased rigidity and durability in industrial applications. An anti-reflection (AR) coating option provides increased transmission of visible light from 425 – 700nm. Glass Circular Polarizers (CP42HE) provide a left-handed polarization direction. Example imaging applications include machine vision, digital image processing, and photography.