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We investigate the polarization dependence of localization length in alternating isotropic-birefringent stacks with uncorrelated thickness disorder. The birefringent layers can be positive uniaxial, negative uniaxial, or a mixture of both. Stacks which contain a mixture are shown to suppress the Brewster delocalization anomalies and, over all incident angles, exhibit p-polarization localization length maxima that are of similar magnitude to normal incidence. Furthermore, we propose a parameter set that enables the p-polarization localization length to monotonically decrease with angle of incidence. This investigation was inspired by weakly polarizing mirrors on the sides of silvery fish and provides a generic means to produce polarization-insensitive, broadband reflections from a random, all-dielectric layered medium.
|Journal||Physical Review B: Condensed Matter and Materials Physics|
|Publication status||Published - 31 Jul 2013|
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- 2 Finished
1/01/11 → 1/01/14