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12 December 2003 A new type of beam-splitting polarizer cube
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Beamsplitting polarizer cubes consisting of two right angle prisms cemented together after one hypotenuse is coated have become important optical components in many optical systems. Usually the coating stack is of the MacNeille design. We present and compare an alternative coating structure consisting of a very fine wire grid structure on the cube hypotenuse that has performance advantages of improved polarization purity over an extended range of wavelengths and angles. Modern lithography permits wire spacings and dimensions that are small enough for good polarizer performance at visible wavelengths as well as near infrared wavelengths.
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Thomas G. Baur "A new type of beam-splitting polarizer cube", Proc. SPIE 5158, Polarization Science and Remote Sensing, (12 December 2003);


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