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Optical Engineering

Chiral metamaterial design using optimized pixelated inclusions with genetic algorithm
Author(s): Cemal Akturk; Muharrem Karaaslan; Ersin Ozdemir; Vedat Ozkaner; Furkan Dincer; Mehmet Bakir; Zafer Ozer
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Paper Abstract

Chiral metamaterials have been a research area for many researchers due to their polarization rotation properties on electromagnetic waves. However, most of the proposed chiral metamaterials are designed depending on experience or time-consuming inefficient simulations. A method is investigated for designing a chiral metamaterial with a strong and natural chirality admittance by optimizing a grid of metallic pixels through both sides of a dielectric sheet placed perpendicular to the incident wave by using a genetic algorithm (GA) technique based on finite element method solver. The effective medium parameters are obtained by using constitutive equations and S parameters. The proposed methodology is very efficient for designing a chiral metamaterial with the desired effective medium parameters. By using GA-based topology, it is proven that a chiral metamaterial can be designed and manufactured more easily and with a low cost.

Paper Details

Date Published: 24 March 2015
PDF: 7 pages
Opt. Eng. 54(3) 035106 doi: 10.1117/1.OE.54.3.035106
Published in: Optical Engineering Volume 54, Issue 3
Show Author Affiliations
Cemal Akturk, Kilis 7 Aralik Üniv. (Turkey)
Muharrem Karaaslan, Mustafa Kemal Üniv. (Turkey)
Ersin Ozdemir, Mustafa Kemal Üniv. (Turkey)
Vedat Ozkaner, Mustafa Kemal Üniv. (Turkey)
Furkan Dincer, Mustafa Kemal Üniv. (Turkey)
Mehmet Bakir, Mustafa Kemal Üniv. (Turkey)
Zafer Ozer, Mersin Üniv. (Turkey)

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