Anisotropic light scattering in nanoporous materials: A photon density of states effect

Andrey A. Lutich, Sergey V. Gaponenko, Nikolai V. Gaponenko, Igor S. Molchan, Vitalii A. Sokol, Vitali Parkhutik

Research output: Contribution to journalArticlepeer-review

Abstract

Similar to spontaneous emission of photons and inelastic (Raman) scattering, elastic (Rayleigh) scattering of light is controlled by spectral and spatial distribution of photon density of states, DOS (density of electromagnetic modes). However, to date Rayleigh scattering in nanoporous media has not become the subject of discussion in the context of photon DOS effects. In this paper, we consider light scattering in porous materials in the context of spectral, spatial, and angular redistribution of photon DOS in materials with pores whose size and spacing are of the order of light wavelength. The DOS effect results in predictable and controllable modification of scattering and can be purposefully used in certain light harvesting and illumination systems. A possible role of the effect in the cornea of eye is outlined for seeing at grazing incidence of light beams with respect to an eye pupil.

Original languageEnglish
Pages (from-to)1755-1758
Number of pages4
JournalNano Letters
Volume4
Issue number9
Early online date6 Aug 2004
DOIs
Publication statusPublished - 1 Sept 2004

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