TY - JOUR

T1 - Sub-Wavelength Resonances in Metamaterial-Based Multi-Cylinder Configurations

A1 - Arslanagic,Samel

A1 - Breinbjerg,Olav

AU - Arslanagic,Samel

AU - Breinbjerg,Olav

PY - 2011

Y1 - 2011

N2 - Sub-wavelength resonances known to exist in isolated metamaterial-based structures of circular cylindrical shape are investigated with the purpose of determining whether the individual resonances are retained when several of such resonant structures are grouped to form a new structure. To this end, structures consisting of 1, 2 and 4 sets of metamaterial-based concentric cylinders excited by an electric line current are analyzed numerically. It is demonstrated that these structures recover the resonances of the individual structures even when the cylinders are closely spaced and the new structure is thus electrically small. The investigation is conducted through a detailed analysis of the electric near-field distribution as well as the radiation resistance in those cases where the individual structures are made of simple dielectric materials in conjunction with simple, but lossy and dispersive, metamaterials.

AB - Sub-wavelength resonances known to exist in isolated metamaterial-based structures of circular cylindrical shape are investigated with the purpose of determining whether the individual resonances are retained when several of such resonant structures are grouped to form a new structure. To this end, structures consisting of 1, 2 and 4 sets of metamaterial-based concentric cylinders excited by an electric line current are analyzed numerically. It is demonstrated that these structures recover the resonances of the individual structures even when the cylinders are closely spaced and the new structure is thus electrically small. The investigation is conducted through a detailed analysis of the electric near-field distribution as well as the radiation resistance in those cases where the individual structures are made of simple dielectric materials in conjunction with simple, but lossy and dispersive, metamaterials.

KW - Scattering

KW - Sub-wavelength resonances

KW - Metamaterials

KW - Line source

UR - http://www.mdpi.com/search/?q=&s_journal=materials&s_volume=&s_authors=breinbjerg&s_section=0&s_issue=&s_article_type=0&s_special_issue=0&s_page=&s_search=Search

U2 - 10.3390/ma4010117

DO - 10.3390/ma4010117

JO - Materials

JF - Materials

SN - 19961944

VL - 4

SP - 117

EP - 130

ER -