Simplified triangular ground plane cloak by oblique multilayer dielectrics |
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Authors: | Wang Shen-Yun Liu Shao-Bin |
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Institution: | 1. College of Information Science and Technology, Nanjing University of Aeronautics & Astronautics, Nanjing 210016, China;2. State Key Laboratory of Millimeter Waves of Southeast University, Nanjing 210096, China |
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Abstract: | Based on the effective medium theory, the triangular ground plane cloak can be realized by thin layered systems. Two solutions of parameter setting of the layered cloak are suggested to demonstrate the invisibility performance of a hybrid incoming wave. The hybrid parameters are derived from the equivalent of both anisotropies of permittivity and permeability to the alternating layers. The performance of the designed layered cloak is validated by both TM and TE wave simulations with near-field distributions and average scattering power outflows on an observation semicircle. From the simulation results, the layered cloak with both hybrid parameters and improved hybrid parameters can reflect the incoming TM/TE waves in a specular direction, and the latter behaves with a better overall invisibility performance. |
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Keywords: | transformation media ground plane cloak effective medium theory |
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