If one metamaterial layer can help microstrip antenna performance, perhaps two layers might provide greater benefits. An antenna is a device that provides a transition between electric currents on a conductor and electromagnetic waves in space. Microwave metamaterial antennas and other applications. This work is mainly focused on increasing the potential parameters of microstrip patch antenna. And another metamaterial antenna using three unit cells gives a better gain of 5. Metamaterial enhances microstrip antenna gain microwaves. A discretedipole approximation model of a waveguidefed planar metamaterial antenna is developed to accurately predict the radiation property of a twodimensional metamaterial antenna 17. Us20120176284a1 antenna array with metamaterial lens. A broadband lefthanded metamaterial microstrip antenna. Metamaterial antennas allow you to support four to six frequency bands. Also the role of veselago, the wellknow theorist of negative refraction index metastructures whose 80 anniversary is celebrated in present year is emphasized as well as the role of other scientists.
An efficient, lowloss, low sidelobe, high dynamic range phasedarray radar antenna system is disclosed that uses metamaterials, which are manmade composite materials having a negative index of refraction, to create a biconcave lens architecture instead of the aforementioned biconvex lens for focusing the microwaves transmitted by the antenna. Theory, design and applications focuses on the most recent research activity in metamaterials, taking a reader beyond previously covered areas like lefthanded materials lhm and negative index materials lim. Design and application of a metamaterial superstrate on a. It will then be shown how the metamaterial phaseshifting lines can be used to make compact, broadband antennas and devices, and specific examples of a seriesfed linear antenna array, a wilkinson balun, a 1. Lowprofile natural and metamaterial antennas is a musthave reference book for advanced undergraduate and graduate level students as well as antenna engineers interested in. The metamaterial lens enhances the gain by 4 db from 5.
In this paper, we apply the to approach to the design of a metamaterial radome capable of extending the scanning angle of a phased array antenna. Experimentally, landy was able toachieve an absorptivity of 88%. Design of square split ring resonator shaped metamaterial. This term is particularly used when the resulting material has properties not found in naturally formed substances 58. Deformed omega and splitring resonator structures benjamin d. It is also difficult to get high performance from a small, ordinary antenna, she adds, but metamaterials make it easier. These are preliminary notes, intended only for distribution among the participants. Metamaterial antenna arrays for improved uniformity of microwave hyperthermia treatments david vrba1, dario b. Introduction coupling analysis of metamaterial inspired. A braod bandwidth and high gain rectangular patch antenna was specifically designed in this paper using. First, we demonstrate a series of 3d broadband, low loss, dual polarization, and highdirectivity planar lens. This split ring concept enhanced the antenna parameter such as bandwidth, return. Antenna theory is based on classical electromagnetic theory as described by. Miniaturization of microstrip patch antenna using metamaterial.
A narrow band microstrip patch antenna with pentagonal rings shaped metamaterial cover is proposed and analyzed at a height of 3. Expectation for metamaterials for antenna applications. Dualband microstrip patch antenna miniaturization using. Pendry proposed split ring resonator concept, which was a typical design of metamaterial in antenna designing. The theory presented by veselago later used in many studies, one of them is microstrip patch antenna. Presents recent progress in lowprofile natural and metamaterial antennas this book presents the full range of lowprofile antennas that use novel elements and take advantage of new concepts in antenna implementation, including metamaterials. A high gain rectangular microstrip patch antenna using di. The antenna array also comprises a metamaterial lens coupled to the two or more antenna elements. Metamaterial superstrate microstrip patch antenna for 5g wireless communication based on the theory of characteristic modes ehab k. Design of metamaterial based microstrip antenna with multiband. The metamaterial study shifted from the discovery of a novel electromagnetic phenomenon to the suggestion of the practical use antenna. Metamaterial superstrate microstrip patch antenna for 5g.
Typically formed by constructing lattices of simple elements, metamaterials possess electromagnetic properties not found in naturally occurring materials. Metamaterial can be used to overcome disadvantages of patch antenna such as size reduction with acceptable amount of bandwidth and power. Metamaterial based substrate is designed using square split ring resonator ssrr and wire strip. A negative index metamaterial to enhance the performance. Ictpituursi school on wireless networking for development the abdus salam international centre for theoretical physics. Metamaterial antenna arrays for improved uniformity of. Fundamental theory application and results conclusion future work coupling analysis of metamaterial inspired antenna using theory of characteristic modes chukwuka ozuem anthony, divitha seetharamdoo, hassanein rabah ifsttar, cosys, leost may, 2019 introduction objectives fundamental theory application and results conclusion future work 1. Pdf metamaterials on antenna solutions researchgate. Geometry of a metamaterial proximit ycoupled patch antenna, a top view and b cross view. Metamaterial antennas are a class of antennas which use metamaterials to increase.
Owen1 1 department of electrical and computer engineering north dakota state university, fargo, nd, 58102, usa. Jafargholi and others published metamaterials in antenna engineering, theory and applications find, read and cite all the research you need on researchgate. Firstly, we will consider one kind of metamaterial. Then, the metamaterialsbased antennas are shown, including the composite leftrighthanded. Metamaterial antenna arrays for improved uniformity of microwave hyperthermia treatments by d. Pdf this report describes the theory of metamaterials and its utilization for antennas techniques. The objective of this research is to identify an optimal microwave antenna. The metamaterial property was obtained as a result of the doublefractal structure on both the upper and the bottom. The recent progress of terahertz or optical metamaterial.
Metamaterial antenna can improve the gain of the antenna. This layout shows the concept of the microstrip antenna with two metamaterial lenses on the left and the spacing of the lenses on the right. This paper gives a brief introduction and classification of basic metamaterial structures and their usage in antenna engineering. A dualband microstrip patch antenna is designed and analyzed using metamaterial artificial substrate. Ziolkowski, fellow, ieee, and aycan erentok abstracta metamaterial paradigm for achieving an ef. Pdf a comprehensive study on the internet of underwater things. A doublenegative metamaterialinspired mobile wireless antenna for electromagnetic absorption reduction complete project report pdf free download also check. Ieee transactions on antennas and propagation 2 original no optimization reduced sidelobes unacceptable sidel obes 1st itera tion 2nd itera tion final iteration final optimiza tion fig.
Theory and applications of metamaterial covers 281 a b fig. A transmitting antenna transforms electric currents into radio waves and a receiving antenna transforms an electromagnetic field back into electric current. Numerical methods for metamaterial design download ebook. This periodic geometry is derived from fractal shapes, which have been widely used in antenna engineering.
This paper proposes a microstrip patch antenna based on the lefthanded metamaterial concept, using planar periodic geometry, which results in improved characteristics. The proposed metamaterial structu re along with microstrip patch antenna. Reflection coefficient of the proposed metamaterial patch antenna has been simulated and was compared to the one obtained for the conv entional proximitycoupled patch antenna in fig. Metamaterials approach makes better satellite antennas. The antenna is tuned to work at two resonating frequencies in the frequency range from 1 ghz to 4 ghz depending on the geometric specifications of ssrr, strip line, radiating patch, and feed. A rectangular microstrip patch antenna with circular rings shaped metamaterial connected with each other using strip lines, is designed at a height of 3. Optimizing antenna gain with a metamaterial filter the. Us6958729b1 phased array metamaterial antenna system. Their purpose, as with any electromagnetic antenna, is to launch energy into free space. Metamaterial antennas are a class of antennas which use metamaterials to increase performance of miniaturized electrically small antenna systems. Transformationopticsbased design of a metamaterial. Proposed metamaterial structure is significantly reduced the return loss and increased the bandwidth and directivity of the antenna with compare to rmpa alone. This paper presents the metamaterial technologies for antenna applications with the research and development in the past, the present, and the future.
Index termsantenna theory, chu limit, complex media, elec trically small antennas, electromagnetic theory, metamaterials. Current microwave hyperthermia applicators are not well suited for uniform heating of. We present two kinds of metamaterial lens antennas. Proposed metamaterial antenna reduces the size of the mic rostrip patch antenna substantially and increases the directivity. Binary metahologram for a reconfigurable holographic. Pier online metamaterial antenna arrays for improved. Dual band metamaterial antenna for ltebluetoothwimax. Nelson3, cherish bauerreich4, jacob glower1 and gregory j. A metamaterial is defined as an artificial composite that gains its electrical properties from its structure rather than inheriting them directly from the materials it is composed of.
The loading of metamaterial shows a radial size reduction of 56. The metamaterial lens is configured to distribute the signal according to a sinclike distribution over an aperture of the antenna array. This site is like a library, use search box in the widget to get ebook that you want. Pdf this paper updates the progress in the applications of metamaterialsbased. A compact metamaterial inspired antenna operate at lte, bluetooth and wimax frequency band is introduced in this paper. Some new developments covered in the book include a rapid design method for inhomogeneous metamaterials, microwave and rf applications of metamaterials and. May 14 2020 metamaterialswithnegativeparameterstheorydesignandmicrowaveapplicationswileyseriesinmicrowaveandopticalengineering 16 pdf drive search and download pdf files for free.