Effect of the Multiple Cylinders Scattering of an Electromagnetic Plane Wave on the Formation of Whispering Gallery Modes
Abstract
We report on the effect of scattering by multiple cylinders of an electromagnetic plane wave on the formation of whispering gallery modes (WGM) in the cylinder. It was found that WGM can arise thanks to the presence of additional cylinder scatterers, and at their special location, while WGM in a single cylinder can be formed only for specially chosen values of the cylinder radius and (or) wave length, and the accuracy of these matching should be much more than required in our model for the location of the additional cylinders. The analysis of the general solution of considered scattering problem has shown that the effect can be explained by the interference of waves scattered by additional cylinders (i) and incident on the main cylinder (ii).
Keywords
Cylinder, Scattering, Wave, Field, Whispering gallery modes.
DOI
10.12783/dtmse/amst2016/11343
10.12783/dtmse/amst2016/11343
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