Reflection and Transmission Characteristics of a Slab with Periodically Varying Surfaces

William N. Cain, Vijay K. Varadan, Vasundara V. Varadan, Akhlesh Lakhtakia

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


Using a plane wave spectral decomposition of the relevant electromagnetic (EM) fields and the T-matrix solution philosophy, a T-matrix is formulated which completely characterizes the EM response of an infinite material plate bounded by two homogeneous half-spaces, the two interfaces being periodically rough. Individual T-matrices for either of the two periodic bimaterial interfaces are used in this derivation. Using the computed results, the anomalies in the scattering response of the rough slab are explained in terms of reflectionless and transmissionless modes, the Brewster angle, and the conditions for propagation or evanescence of a given plane wave mode.

Original languageEnglish (US)
Pages (from-to)1159-1163
Number of pages5
JournalIEEE Transactions on Antennas and Propagation
Issue number9
StatePublished - Sep 1986

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering


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