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The design of a grid polarizer is discussed and the effect of supporting it on various substrates is evaluated using a transmission line analogy. A method of making such a grid polarizer by photolithographic techniques is described, and measurements on a device suitable for use at wavelengths between 20 micro and several hundred microns are presented. Their performance compares favorably with polarizers made by other methods.
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J. P. Auton (1967) studied this question.
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