Phys. Rev. Lett. 101, 183901 (2008) [4 pages]Photon Delocalization Transition in Dimensional Crossover in Layered MediaReceived 9 July 2008; revised 28 August 2008; published 27 October 2008 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. © 2008 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.101.183901
DOI:
10.1103/PhysRevLett.101.183901
PACS:
42.25.Dd, 42.25.Bs, 42.30.Ms
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