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Optica Publishing Group
  • Frontiers in Optics 2004/Laser Science XXII/Diffractive Optics and Micro-Optics/Optical Fabrication and Testing
  • OSA Technical Digest Series (Optica Publishing Group, 2004),
  • paper FTuL2
  • https://doi.org/10.1364/FIO.2004.FTuL2

Use of the delta-P1 approximation and Monte Carlo simulations to examine the transition from ballistic to diffuse propagation in frequency-domain photon migration

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Abstract

We develop the delta-P1 approximation for frequency-domain radiative transport predictions. Comparison with Monte Carlo simulations establishes superior accuracy of the delta-P1 approximation relative to the standard diffusion approximation. We demonstrate the identification of three spatial regimes where the light field is dominated by ballistic photons, multiply-scattered photons; and diffusely-scattered photons.

© 2004 Optical Society of America

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