Browsing by Subject "Three-dimensional surface"
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Item Open Access Algebraic acceleration and regularization of the source reconstruction method with the recompressed adaptive cross approximation(IEEE, 2014) Kazempour, Mahdi; Gürel, LeventWe present a compression algorithm to accelerate the solution of source reconstruction problems that are formulated with integral equations and defined on arbitrary three-dimensional surfaces. This compression technique benefits from the adaptive cross approximation (ACA) algorithm in the first step. A further error-controllable recompression is applied after the ACA. The numerical results illustrate the efficiency and accuracy of the proposed method. © 2014 IEEE.Item Open Access Nanoplasmonic three-dimensional surfaces with strong surface-normal electric field enhancement(IEEE, 2013) Güngör, Kıvanç; Ünal, Emre; Demir, Hilmi VolkanConventional plasmonic structures provide field enhancement in the plane. The proposed nanoplasmonic three-dimensional surfaces, with unity coverage in the plan-view, enable surface-normal enhancement and achieve 7.2-fold stronger maximum field enhancement compared to the two-dimensional counterparts. © 2013 IEEE.