Linearly polarized light is the sum of two circular polarizations, in order to get one circular polarization, the second one should be suppressed. By means of reflection it is possible to suppress only one linear polarization (reflection at the Brewster angle), that is why it is impossible to turn light into polarized along the right circle by a single reflection.
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Expert's answer
2010-05-25T09:25:05-0400
The circle can be obtained only by passing through a quarter wave plate.
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