Accumulation of dwell times in light diffusion

Ad Lagendijk and Bart A. van Tiggelen

Physica A: Statistical Mechanics and its Applications, 1993, vol. 200, issue 1, 433-442

Abstract: We discuss various speeds of propagation that are relevant for the dynamics of classical waves in random media: phase velocity, group velocity and transport velocity. The transport velocity can be much smaller than the phase velocity due to the long dwelling of classical waves inside resonant scatterers. We show that the transport velocity of light can be obtained experimentally by study both transient and steady-state diffusion of light.

Date: 1993
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:200:y:1993:i:1:p:433-442

DOI: 10.1016/0378-4371(93)90544-E

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