Abstract
Optical cloaking for cylindrical structures with arbitrary cross-section by using scattering cancellation method is presented. Nano-strips of silver in a dielectric host are used as a cloaking shell around the cylindrical object with arbitrary cross-section shapes. In this approach, the homogeneity effect on cloaking efficiency in the cloaking structure with circle cross-section is studied. The number of silver strips is the criteria of shell homogeneity. By increasing the number of strips for a constant filling factor, their widths become narrower and so the cloaking shell becomes more homogenous. It is shown that the cloaking efficiency is affected by the homogeneity of the cloaking shell and there is an optimum size of embedded particles to achieve required homogeneity in a cloaking structure.
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