Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/1357
Title: Dual polarized broadband and all dielectric partial cloaking using stacked graded index structures
Authors: Öner, Bilgehan Barış
Can, M. G.
Kurt, Hamza
200103
Keywords: Metamaterials
Optics
carpet cloak
Issue Date: Aug-2014
Publisher: Optical Society Of American (OSA)
Source: Oner, B. B., Can, M. G., & Kurt, H. (2014). Dual polarized broadband and all dielectric partial cloaking using stacked graded index structures. Optics Express, 22(17), 20457-20462.
Abstract: We propose broadband one-dimensional optical cloaking design based on isotropic and purely dielectric non-absorbent materials. The photonic structures are formed by utilizing graded index (GRIN) concept in stacked form. All simulations are performed by finite-difference timedomain and plane wave basis frequency domain numerical methods. Indications in ray optics are also presented for the cloaking device. The refractive index distribution of the design is also obtained via effective medium theory. The cloaking devices can reroute wavelengths of light in one dimension. The rerouted light is avoided to reach the interior region of the stacked GRIN structure. Unidirectional GRIN cloaking structure demonstrates low-loss and large bandwidth characteristics. It is shown that the structure operates in dual polarization mode. Performed numerical analyses reveal the capability of cloaking devices to hide arbitrary shaped large objects from the incident light. © 2014 Optical Society of America.
URI: https://www.osapublishing.org/oe/abstract.cfm?uri=oe-22-17-20457
https://hdl.handle.net/20.500.11851/1357
ISSN: 10944087
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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