Observation of trapped-modes excited in double-layered symmetric electric ring resonators

Citation data:

Journal of Applied Physics, ISSN: 0021-8979, Vol: 111, Issue: 11

Publication Year:
2012
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Repository URL:
http://scholarworks.unist.ac.kr/handle/201301/10870
DOI:
10.1063/1.4721993
Author(s):
Seo, Bo-jeong, Kim, Kwanghoon, Kim, Sung Gug, Kim, Areun, Cho, HyungJoon, Choi, EunMi
Publisher(s):
AIP Publishing, AMER INST PHYSICS
Tags:
Physics and Astronomy, Dielectric insert, Experimental observation, Experimental verification, Metamaterial structures, Ring resonator, Three dimensions, Trapped modes, Unit cells
article description
We report on experimental observations of trapped-mode resonances in double-layered symmetric electric ring resonators separated by dielectric inserts. The resulting metamaterial introduces trapped-mode resonances that were thought to be produced only by asymmetric metamaterial unit cells. Experimental verification of the newly observed trapped modes, along with the analysis of the stacked metamaterial geometry reported in this paper, opens an alternative way of forming sharp resonances in a symmetric metamaterial structure extended in all three dimensions. © 2012 American Institute of Physics.

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