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A New Interpretation of Physical Optics Approximation from Surface Equivalence Theorem
Hieu Ngoc QUANG Hiroshi SHIRAI
IEICE TRANSACTIONS on Electronics
Publication Date: 2018/08/01
Online ISSN: 1745-1353
Type of Manuscript: PAPER
Category: Electromagnetic Theory
surface equivalence theorem, physical optics, PO, geometrical optics, wedge diffraction,
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In this study, the electromagnetic scatterings from conducting bodies have been investigated via a surface equivalence theorem. When one formulates equivalent electric and magnetic currents from geometrical optics (GO) reflected field in the illuminated surface and GO incident field in the shadowed surface, it has been found that the asymptotically derived radiation fields are found to be the same as those formulated from physical optics (PO) approximation.