Abstract
The polarization state of light is modulated by an anisotropic thin film. An anisotropic film is deposited onto a plate that is put in contact with a BK7 prism to form a BK7 prism/film/air configuration. It is shown that the polarization state of reflected light can be easily modulated from a linear state to a circular state by rotating the thin-film plate.
© 2008 Optical Society of America
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