DocumentCode :
3079338
Title :
Millimeter-wave scale metamaterials
Author :
Alici, K.B. ; Ozbay, E.
Author_Institution :
Nanotechnol. Res. Center, Bilkent Univ., Ankara, Turkey
fYear :
2009
fDate :
Nov. 3 2009-Oct. 6 2009
Firstpage :
95
Lastpage :
96
Abstract :
We review two metamaterial configurations, which are operating at the millimeter-wave scale, in terms of design, fabrication, and characterization. We observed both numerically and experimentally at around 100 GHz a narrow frequency band for which the metamaterial was low loss and had a negative index of refraction. We investigated flat and wedge shaped samples to support our characterization results. We analyzed the transmission band with respect to number of layers at the propagation direction and commented on the bulk nature of these metamaterials. Oblique response of the planar sample was also included in this study. Finally, we demonstrate a device, which yields a rather small angular width at the far field radiation pattern, and composed of a horn antenna and flat metamaterial slabs at the propagation direction.
Keywords :
antenna radiation patterns; horn antennas; metamaterials; microwave materials; microwave photonics; millimetre wave devices; millimetre wave materials; optical losses; optical materials; optical resonators; refractive index; far field radiation pattern; horn antenna; millimeter-wave metamaterial; negative refraction index; optical loss; split ring resonator; Coordinate measuring machines; Directive antennas; Frequency; Magnetic materials; Metamaterials; Optical ring resonators; Permittivity; Plasmas; Plasmons; Slabs;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Terahertz and Mid Infrared Radiation: Basic Research and Practical Applications, 2009. TERA-MIR 2009. International Workshop
Conference_Location :
Turunc-Marmaris
Print_ISBN :
978-1-4244-3848-8
Electronic_ISBN :
98-1-4244-3849-5
Type :
conf
DOI :
10.1109/TERAMIR.2009.5379610
Filename :
5379610
Link To Document :
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