The 10P009AR.14 Polarcor™ Linear Polarizer is a 1 inch (25.4 mm) diameter linear polarizer with an 20.8 mm clear aperture offering 79% principle transmission in the 630 to 700 nm wavelength range. It features broader bandwidth, higher transmission, higher temperature resistance, better durability, and higher contrast than dichroic sheet or wire grid polarizers. All Polarcor polarizers are broadband antireflection coated to increase transmission of polarized light.