專利詳細說明
Patent Details

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The present invention presents a method to enhance polarization conversion reflection from an anisotropic thin film. The total reflection effect or the high reflection at the interface of an anisotropic thin film leads to enhanced polarization conversion. Polarization conversion is an interesting phenomenon by which a fraction of p(s)-polarized light incident on an anisotropic thin film may be reflected as s(p)-polarized light. A method that can make the anisotropic thin film generating high reflection or total reflection: (1)The reflection coefficients of the rays internally reflected inside the anisotropic film could be raised by arranging the high-refractive incident medium and the low-refractive substrate. (2) The characteristics that an anisotropic thin film with at lest two different principal indices of refraction, and the characteristics that the principal axes coordinates are not coincident with the film surface coordinates are useful for polarization conversion. The phenomenon of the polarization conversion could be obtained by changing aspect of the incident plane.

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