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Updated: Jun 2, 2026

Scattering And Absorption of Light in Planetary Regoliths
Published on: July 1, 2019
Generalized radiometry model for the propagation of light within anisotropic and chiral media
Jonathan C Petruccelli1, Miguel A Alonso
1Singapore-MIT Alliance for Research and Technology (SMART) Centre, 3 Science Drive 2, Singapore 117597, Singapore. jcp@smart.mit.edu
Abstract:
An exact radiometric model is proposed for the nonparaxial propagation of fully or partially coherent electromagnetic radiation within anisotropic and/or chiral media in terms of rectilinear ray propagation. The definition of the generalized radiance is motivated by a geometric interpretation, based on the plane-wave decomposition of the field in the medium. The new representations are illustrated through two examples, corresponding to the propagation of two-dimensional fields within birefringent and chiral media.
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