Effective-substrate theory for optical reflection from a layered substrate

J. P. Landry, X. Wang, Y. Y. Fei, X. D. Zhu

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


We show that reflection of a monochromatic light from a semi-infinite medium covered with a stack of layered media is equivalent to that from an effective "semi-infinite medium" characterized by two distinct optical dielectric constants for the s-and p-polarized components, respectively. Such an effective-substrate approach simplifies the analysis of ellipsometry measurements of a wide range of surface-bound processes including thin-film growth and surface-bound reactions.

Original languageEnglish (US)
Pages (from-to)2021-2028
Number of pages8
JournalJournal of the Optical Society of America B: Optical Physics
Issue number12
StatePublished - Dec 1 2008

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Statistical and Nonlinear Physics


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