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Summary: A tunable multi-band metamaterial design using
micro-split SRR structures
Evren Ekmekci1, 2,*
, Kagan Topalli1
, Tayfun Akin1
, and Gonul Turhan-Sayan1
1
Dept. Electrical and Electronics Eng., Middle East Technical University, Ankara, TURKEY.
2
Dept. Electronics and Communication Eng., Suleyman Demirel University, Isparta, TURKEY.
* eekmekci@metu.edu.tr
Abstract: This paper presents the results of a feasibility study for the design
of multi-band tunable metamaterials based on the use of micro-split SRR
(MSSRR) structures. In this study, we have designed and constructed a
conventional split-ring resonator (SRR) unit cell (type A) and two modified
SRR unit cells having the same design parameters except that they contain
two (type B) or four (type C) additional micro-splits on the outer square
ring, along the arm having the main split. Transmission characteristics of the
resulting MSSRR cells are obtained both numerically and experimentally
and compared to those of the ordinary SRR unit cell. It is observed that the
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