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Optimal Design of Dielectric Flat Lens Based on Topology Optimization Concept
Kenji TAGUCHI Tatsuya KASHIWA
IEICE TRANSACTIONS on Electronics
Publication Date: 2018/08/01
Online ISSN: 1745-1353
Type of Manuscript: BRIEF PAPER
dielectric flat lens, optimization, adjoint variable method, GA, PSO,
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In this paper, the topology optimization method is first applied to obtain high gain characteristics of dielectric flat lens. The topology optimization method used in this study is based on the gradient method with adjoint variable method. The FDTD method is used as the analysis method of electromagnetic fields. Results are compared with those obtained by using metaheuristic methods GA and PSO. As a result, it is shown that the proposed method can efficiently design a high gain dielectric flat lens in a wide frequency band.