Partially coherent light propagation in stratified media containing an optically thick anisotropic layer

Shane M. Nichols, Oriol Arteaga, Alexander T. Martin, Bart Kahr

Research output: Contribution to journalArticle

Abstract

Methods used to compute the reflection or transmission Mueller matrix of stratified media assume light is a monochromatic plane wave, but measurements with spectroscopic devices invariably involve a finite distribution of wavelengths and incidence angles. Consequently, there can be stark disagreement between calculation and experiment, especially when the specimen includes a thick non-opaque layer. To accurately model specimens with a thick layer, it is sometimes necessary to explicitly include the coherence of the light in models. For anisotropic and/or optically active media, we distinguish between five regimes of coherence. Algebraic expressions valid for all regimes are given. Experimental data spanning multiple regimes is modeled.

Original languageEnglish (US)
Pages (from-to)571-577
Number of pages7
JournalApplied Surface Science
Volume421
DOIs
StatePublished - Nov 1 2017

Keywords

  • Depolarization
  • Ellipsometry
  • Multiple reflections
  • Partial coherence
  • Polarimetry

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Physics and Astronomy(all)
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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