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Title: Directional Cloaking by Quadruple Luneburg Lens System
Authors: Evren, Aydın S.
Babayiğit, C.
Bor, E.
Kurt, H.
Turduev, Mirbek
Keywords: photonic crystals
invisibility cloak
graded photonic crystals
Luneburg lens
integrated optics
Issue Date: 2018
Publisher: IEEE
Source: 20th International Conference on Transparent Optical Networks (ICTON) -- JUL 01-05, 2018 -- Univ Politehnica Bucharest, Cent Lib, Bucharest, ROMANIA
Series/Report no.: International Conference on Transparent Optical Networks-ICTON
Abstract: In this study, we propose a method based on graded-index medium in order to cloak scatterer objects. We use discretized Luneburg lenses as a graded-index medium and the proposed structure consists of four discretized Luneburg lenses, i. e., it is can be considered as a quadruple Luneburg lens system. Numerical investigations for directional cloaking are performed by using finite-difference time-domain methods. It is shown that an object can be cloaked inside the dark zone of created by Luneburg lenses and the proposed structure can provide cloaking at optical wavelengths.
ISBN: 978-1-5386-6605-0
ISSN: 2162-7339
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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