Discrete ordinate and Monte Carlo simulations for polarized radiative transfer in a coupled system consisting of two media with different refractive indices

Endre R. Sommersten, Jon K. Lotsberg, Knut Stamnes, Jakob J. Stamnes

Research output: Contribution to journalArticlepeer-review

56 Scopus citations

Abstract

We present an algorithm for polarized radiative transfer in a vertically stratified system consisting of two plane-parallel media with different refractive indices. It is based on the discrete ordinate method and includes multiple elastic scattering, thermal radiation, Fresnel reflection and transmission, incident parallel-beam or isotropic radiation at the top of the upper medium and bidirectional reflection at the bottom of the lower medium. Comparisons with results from Monte Carlo simulations show that the discrete-ordinate code provides accurate results for all four elements of the Stokes vector (I, Q, U, and V) at a speed that is orders of magnitude faster.

Original languageEnglish
Pages (from-to)616-633
Number of pages18
JournalJournal of Quantitative Spectroscopy and Radiative Transfer
Volume111
Issue number4
DOIs
StatePublished - Mar 2010

Keywords

  • Coupled system
  • Discrete-ordinate
  • Modelling
  • Monte Carlo
  • Polarization
  • Radiative transfer
  • Refraction

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