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\def\ID{97BEC32002}
\def\GR{N}
\def\ET{Scattering of electromagnetic wave from a slightly random dielectric surface --Yoneda peak and Brewster angle in incoherent scatterering --}
\def\JT{}
\def\EA{{T Kawanishi}, {H Ogura} and {Z L Wang}}
\def\JA{}
\def\EP{Waves in Random Media 7 351-384}
\def\JP{}
\long\def\AB{The scattering of 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 independent of the incident angle, 
 that a ``quasi-anomalous scattering'' can generally occur in the 
optically denser medium at the  critical 
angle of total reflection 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 gets 
closer to unity as in the X-ray region.  Cross-polarized scattering and 
enhanced backscattering due to the second-order effect are also calculated.  
}
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