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Title: All-Dielectric Self-Cloaked Structures
Authors: Hayran, Zeki
Kurt, Hamza
Herrero, Ramon
Botey, Muriel M.
Staliunas, Kestutis
Keywords: Metamaterials
Carpet cloak
Issue Date: 16-May-2018
Publisher: American Chemical Society
Source: Hayran, Z., Kurt, H., Herrero, R., Botey, M., Staliunas, K., & Staliunas, K. (2018). All-dielectric self-cloaked structures. ACS Photonics, 5(5), 2068-2073. doi:10.1021/acsphotonics.7b01608
Hayran, Z., Herrero, R., Botey, M., Kurt, H., & Staliunas, K. (2017). All-dielectric self-cloaked structures. arXiv preprint arXiv:1708.00637.
Abstract: A general procedure to design objects that are intrinsically invisible (without the necessity of an external cloak) has not been demonstrated so far. Here we propose a flexible method to design such self-cloaked objects by uncoupling the scattered waves from the incident radiation via judiciously manipulating the scattering potential of the object. We show that such a procedure is able to yield optical invisibility for any arbitrarily shaped object within any specified frequency bandwidth by simply employing isotropic nonmagnetic dielectric materials, without the usage of loss or gain material. The validity of the design principle has been verified by direct experimental observations of the spatial electric field profiles and scattering patterns at the microwave regime. Our self-cloaking strategy may have profound implications especially in noninvasive probing, cloaked sensor applications, and scattering-free non-Hermitian optics based systems. © 2018 American Chemical Society.
ISSN: 2330-4022
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü / Department of Material Science & Nanotechnology Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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