Circular polarizers are created by combining a linear polarizer and a quarterwave retarder. The incomining light is first polarized linearly and then is rotated by the retarder. This causes the vector of the light to rotate in a circle. The direction of the rotation can be left (LH) or right (RH) based on the orientation of the retarder. More
A circular polarizer is a comprised of an XP42 linear polarizer and a WP140 1/4 wave retarder whose slow and fast axis
are at 45° to the axis of the polarizer. CP37 circular polarizer is a neutral grey polarizer for contrast enhancement and
reflection suppression in moderately high illuminace environments. It is typically used for displays and digital imaging.
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CP42HE - Transmission 42%
The CP42HE circular polarizer is created by laminating the XP42 linear polarizer to the high contrast WP140HE ¼ wavelength
retarder sheet producing the ultimate circular polarizer available with the highest contrast and highest light transmission. This
product is the best circular polarizer for maximum contrast and light transmission.
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