Polarization dependence of crystalline colloidal array diffraction

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Abstract
We measured the polarization dependence of the Bragg diffraction efficiency of a crystalline colloidal array and compared the experimental results to that predicted by theory. The diffraction efficiency for π polarized light decreases to zero for an incidence angle of 45° to the diffracting planes. Our experimental diffraction and transmission results quantitatively agree with the predictions of dynamical diffraction theory.