Scattering of an electromagnetic wave from a slightly random dielectric surface: Yoneda peak and Brewster angle in incoherent scattering

T. Kawanishi, H. Ogura, Z. L. Wang

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The scattering of an electromagnetic wave from a two-dimensional, slightly rough dielectric surface is studied based on the stochastic functional approach. It is shown that in the case of TM(p)-polarized incidence there exists a zero in the incoherent scattering at the angle we call the 'Brewster scattering angle', which depends on the incident angle in contrast to the Brewster angle of coherent reflection which is independent of the incident angle, that a 'quasi-anomalous scattering' can generally occur in the optically denser medium at the critical angle of total refractive in both TE(s)- and TM(p)-polarized incidence, regardless of which side of the random surface is illuminated, and that the Yoneda peak in the x-ray scattering can be interpreted as a special case of the quasi-anomalous scattering which becomes sharper when the relative refractive index becomes closer to unity as in the x-ray region. Cross-polarized scattering and enhanced backscattering due to the second-order effect are also calculated.

Original languageEnglish
Pages (from-to)351-384
Number of pages34
JournalWaves Random Media
Issue number3
Publication statusPublished - 1997 Jul


ASJC Scopus subject areas

  • Physics and Astronomy(all)

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