9 June 2006 Scattering, propagation, and polarization changes of light in nanoporous anodic alumina
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Abstract
We report on anisotropic light scattering in nanoporous anodic alumina. Light coming at various angles with respect to the pore axis was found to be scattered predominantly in the solid angle adjacent to the pore axis. Such scattering indicatrix we explain in the terms of redistributed local density of photon states in irregular nanostructured materials. In the case of porous alumina local density of photon states and light scattering probability are increased in the direction of the pore axis. We demonstrate by the example of PAA that nanostructured aperiodic materials can possess birefringent properties. We demonstrate and explain formation of the scattering rings by transmitted laser light in birefringent nanoporous anodic alumina.
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Andrey A. Lutich, Andrey A. Lutich, Igor S. Molchan, Igor S. Molchan, Nicolai V. Gaponenko, Nicolai V. Gaponenko, Sergey V. Gaponenko, Sergey V. Gaponenko, } "Scattering, propagation, and polarization changes of light in nanoporous anodic alumina", Proc. SPIE 6258, ICONO 2005: Novel Photonics Materials: Physics and Optical Diagnostics of Nanostructures, 62580J (9 June 2006); doi: 10.1117/12.677122; https://doi.org/10.1117/12.677122
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