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Paper Information

Journal:   IRANIAN JOURNAL OF ELECTRICAL AND ELECTRONIC ENGINEERING   JUNE 2016 , Volume 12 , Number 2; Page(s) 91 To 96.
 
Paper: 

A NEW IMPLEMENTATION OF FREQUENCY SELECTIVE SURFACE CLOAK FOR CYLINDRICAL STRUCTURES

 
 
Author(s):  GHASEMI MIZUJI E., ABDOLALI A.*
 
* DEPARTMENT OF ELECTRICAL ENGINEERING, IRAN UNIVERSITY SCIENCE AND TECHNOLOGY TEHRAN, IRAN
 
Abstract: 

The main purpose of this paper is to design, implement and measure a new sample of mantle cloak. A new method called mantle cloak is introduced by cloaking an object by a single, conformal meta-surface which can drastically suppress the scattering of the desired object. In this paper, a grid lattice is placed around a dielectric object as the cloaking structure. Previously, this FSS has been utilized for the cloaking of PEC object; but, when patch structure is placed around the dielectric it has inductive equivalent circuit with appropriate designing, it can be used for cloaking of dielectric cylinder. Numerical simulations of near field and far field of the designed structure are derived to prove the effectiveness of our meta-surface cloak. Also, measurement results of S11 and S21 related to cloaked structure and their comparison with single dielectric proves suitable performance of the designed cloak. The results show more than 20% bandwidth for this structure. This means that this structure is suitable for broadband operations.

 
Keyword(s): MANTLE CLOAK, FREQUENCY SELECTIVE SURFACE (FSS), SURFACE REACTANCE
 
References: 
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