Abstracts - Dipartimento di Elettronica Applicata
Abstracts - Dipartimento di Elettronica Applicata Abstracts - Dipartimento di Elettronica Applicata
Meta 2010 & FEM 2010 – Rome, 13-15 December 2010 Session MTM-3 Microwave metamaterial applications I Chairperson: L. Vegni, “Roma Tre” University 9:30-10:10 Invited paper – R. Ziolkowski Multi-functional, planar metamaterial-inspired near-field resonant parasitic antennas 10:10-10:30 E. Di Gennaro, I. Gallina, A. Andreone, G. Castaldi, and V. Galdi Cut-wire-induced enhanced transmission through sub-wavelength slits 10:30-10:50 D. Ramaccia, F. Bilotti, and A. Toscano Design formulas of High-Impedance Surfaces with circular patch arrays 34
Meta 2010 & FEM 2010 – Rome, 13-15 December 2010 Multi-functional, Planar Metamaterial-inspired Nearfield Resonant Parasitic Antennas Richard W. Ziolkowski, Peng Jin, and Chia-Ching Lin University of Arizona, Department of Electrical and Computer Engineering Tucson, AZ 85721, USA – E-mail: ziolkowski@ece.arizona.edu A variety of multi-frequency, linear (LP) and circularly (CP) polarized, metamaterialinspired, near-field resonant parasitic (NFRP) antennas have been developed and tested successfully [1]-[6]. While they are in general low-profile, electrically small antennas, the demand for conformal versions has led to the development of planar versions. Several planar designs, including not only high efficiency, single and multifrequency, LP and CP examples, but also higher directivity electrically small antennas and their experimental validations will be described. Figu re 1 – Planar metamaterial-inspired NFRP GPS L1 and Global Star communication antenna. a) HFSS model, b) fabricated antenna that was tested by Galtronics, Tempe, AZ. References [1] P. Jin and R. W. Ziolkowski, “Metamaterial-inspired, electrically small, Huygens sources,” IEEE Antennas Wireless Propag. Lett., 9, 501-505, 2010. [2] C.-C. Lin, R. W. Ziolkowski, J. A. Nielsen, M. H. Tanielian, and C. L. Holloway, “An efficient, low profile, electrically small, VHF 3D magnetic EZ antenna,” Appl. Phys. Lett., 96, 104102, 2010. [3] P. Jin and R. W. Ziolkowski, “Multiband extensions of the electrically small metamaterialengineered Z antenna,” IET Microwaves, Antennas & Propagation, 4, 1016–1025, 2010. [4] R. W. Ziolkowski, P. Jin, J. A. Nielsen, M. H. Tanielian, and C. L. Holloway, “Design and Experimental Verification of Z Antennas at UHF Frequencies,” IEEE Antennas Wireless Propag. Lett., 8, 1329-1333, 2009. [5] P. Jin and R. W. Ziolkowski, “Broadband, efficient, electrically small metamaterial-inspired antennas facilitated by active near-field resonant parasitic elements,” IEEE Trans. Antennas Propag., 58, 318-327, 2010. [6] P. Jin and R. W. Ziolkowski, “Low Q, electrically small, efficient near field resonant parasitic antennas,” IEEE Trans. Antennas Propag., 57, 2548-2563, 2009. 35
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Meta 2010 & FEM 2010 – Rome, 13-15 December 2010<br />
Session MTM-3<br />
Microwave metamaterial applications I<br />
Chairperson: L. Vegni, “Roma Tre” University<br />
9:30-10:10<br />
Invited paper – R. Ziolkowski<br />
Multi-functional, planar metamaterial-inspired near-field resonant parasitic<br />
antennas<br />
10:10-10:30<br />
E. Di Gennaro, I. Gallina, A. Andreone, G. Castal<strong>di</strong>, and V. Gal<strong>di</strong><br />
Cut-wire-induced enhanced transmission through sub-wavelength slits<br />
10:30-10:50<br />
D. Ramaccia, F. Bilotti, and A. Toscano<br />
Design formulas of High-Impedance Surfaces with circular patch arrays<br />
34
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