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Title: Photon transport in thin disordered slabs
Authors: Gopal, Venkatesh
Anantha Ramakrishna, S.
Sood, A.K.
Kumar, N.
Keywords: Photon migration
Persistent random walks
Monte Carlo simulation
Issue Date: Jun-2001
Publisher: Indian Academy of Sciences, Bangalore, India.
Citation: Pramana, 2001, Vol. 56, p767-778.
Abstract: We examine using Monte Carlo simulations, photon transport in optically ‘thin’ slabs whose thickness L is only a few times the transport mean free path l*, with particles of different scattering anisotropies. The confined geometry causes an auto selection of only photons with looping path store main within the slab. The results of the Monte Carlo simulations are borne out by our analytical treatment that incorporates directional persistence by the use of the Ornstein–Uhlenbeck process, which interpolates between the short time ballistic and longtime diffusive regimes.
ISSN: 0304-4289
Copyright: Indian Academy of Sciences, Bangalore, India.
Appears in Collections:Research Papers (TP)

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