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Photon migration of near-diffusive photons in turbid media: a Lagrangian-based approach

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Abstract

We show that light transport in a turbid medium can be described by a path integral with a quasi-particle Lagrangian. The most probable trajectory over which photons can be found can be obtained from this Lagrangian. This approach extends the diffusion approximation to the near-diffusive regime, in which photons travel only a few transport mean free paths.

© 1997 Optical Society of America

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