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. 2008 Oct 31;101(18):183901.
doi: 10.1103/PhysRevLett.101.183901. Epub 2008 Oct 27.

Photon delocalization transition in dimensional crossover in layered media

Sheng Zhang  1 , Jongchul Park, Valery Milner, Azriel Z Genack
Affiliations

Photon delocalization transition in dimensional crossover in layered media

Sheng Zhang et al. Phys Rev Lett. .

Abstract

We report a crossover in optical propagation in random layered media from localization towards diffusion as the interaction of the wave with the sample is transformed from one to three dimensional due to nonuniformity in the layer thickness. The crossover occurs at the point that the lateral spread of the wave equals the transverse coherence length in the transmitted speckle pattern.

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