ANOMALOUS TRANSMISSION OF A GAUSSIAN WAVE BEAM THROUGH EXORBITANT RECTANGULAR HOLES IN A FLAT SCREEN OF FINITE THICKNESS SUPPORTING A TRAPPED-MODE
An anomalous transmission mode and a trapped-mode are considered for scattering of a three-dimensional Gaussian wave beam on a two-dimensional two-element periodic semi-transparent array of rectangular wave guides segments. Results for a case of normal incidence of linearly polarized beam of circula...
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Veröffentlicht in: | Radio physics and radio astronomy (Print) 2014-03, Vol.19 (1), p.48-56 |
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Hauptverfasser: | , |
Format: | Artikel |
Sprache: | eng |
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Online-Zugang: | Volltext |
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Zusammenfassung: | An anomalous transmission mode and a trapped-mode are considered for scattering of a three-dimensional Gaussian wave beam on a two-dimensional two-element periodic semi-transparent array of rectangular wave guides segments. Results for a case of normal incidence of linearly polarized beam of circular cross-section on an array with a rectangular mesh are presented. Power reflection coefficients dependence is investigated vs. wave length in a trapped-mode and for the case of anomalous transmission. Distinctions in behavior of dependences of reflection coefficients for a plane wave and wave beam with different linear sizes are shown and analyzed. Dependence of the reflected and passed beam shapes in a far zone is shown vs. wave length. The effect of narrowing of the directional pattern of a scattered field, as against that of an incident beam field, is explained. |
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ISSN: | 1027-9636 2415-7007 |
DOI: | 10.15407/rpra19.01.048 |