left handed metamaterial
Left-handed metamaterial incorporated with microstrip antenna
... Recently, there have been frequent study and research by researchers around the world regarding the left handed metamaterial that contradict with a lot of the physics law. The unusual characteristics ...
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Microwave Focusing Within Arbitrary Refractive Index Media Using Left-Handed Metamaterial Lenses
... The aforementioned method considers the LHM lens as a Fabry-P´ erot resonator [12] filled with a left-handed metamaterial. We calculate the transmission coefficient of the LHM lens when it is ...
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Modeling of a Ku-Band Rectangular Ferrite-Loaded Waveguide Based on Left-Handed Metamaterial
... bending. Left-handed metamaterial (LHM) with simultaneous negative magnetic permeability and negative electric permittivity exhibits a negative index of refraction, which was first deeply studied by ...
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A Tunable Left-Handed Metamaterial Based on Modified Broadside-Coupled Split-Ring Resonators
... Abstract—Based on the broadside-coupled split-ring resonator (BC- SRR), a tunable left-handed metamaterial (LHM) was proposed in this paper.The two rings of BC-SRR are etched on two separate ...
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Left-handed metamaterial lens applicator with built-in cooling feature for superficial tumor hyperthermia
... Abstract ─In all hyperthermia schemes with left-handed metamaterial (LHM) lens applicator, water bolus are used to prevent skin from being overheated during the hyperthermia treatment. Owing to ...
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Low-Profile MIMO Antenna Arrays with Left-Handed Metamaterial Structures for Multiband Operation
... on left-handed metamaterial (LHM) structures is proposed for multiband wireless ...the left-handed (LH) frequency region at three negative-order resonance modes ...
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Magnetically Tunable Ferrite-Dielectric Left-Handed Metamaterial
... double-negative left-handed metamaterial, have attracted much ...artificial left-handed metamaterial was experimentally proved by combining these two arrays ...Most ...
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BANDWIDTH ENHANCEMENT IN MICROSTRIP PATCH ANTENNA USING LEFT-HANDED METAMATERIAL STRUCTURE AT MULTIPLE OPERATING FREQUENCY
... proposed metamaterial structure have also been verified by using Nicolson-Ross-Weir Method ...This metamaterial antenna has high potential in the future telecommunication industries in enhancing the ...
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Conformal Hyperthermia of Superficial Tumor with Cylindrical Left-Handed Metamaterial Lens Applicator
... Left-handed metamaterials (LHM) provide new prospects for hyperthermia treatment of superficial tumors. Superficial tumors generally occur at depth no more than several centimeters beneath the skin [8], which ...
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TE Modal Dispersion in Dielectric Slab Waveguide with Lossy Left Handed Metamaterial
... molecules. Metamaterial changed our per- spective to this concept by replacing the molecules with manmade structures that might have dimensions of na- nometers for visible light (nanorods) or in the case of GHz ...
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Review of Metamaterials in Microstrip Technology for Filter Applications
... resonant-type left handed and composite right/left-handed metamaterial transmission lines have been revised in this ...a metamaterial structure behaves as an effective ...
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Electromagnetic waves in left-handed metamaterials
... composite left-handed metamaterial using the calculated effective parameters (see ...the left-handed ma- terial and also study the spatiotemporal evolution of the transmitted and ...
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Backward Tamm States in 1D Single-Negative Metamaterial Photonic Crystals
... uniform left-handed metamaterial and a 1D photonic crystal composed of alternating layers of two kinds of single-negative (²-negative and µ-negative) metamaterial is theoretically ...of ...
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Increasing 3D Supramolecular Order by Decreasing Molecular Order. A Comparative Study of Helical Assemblies of Dendronized Nonchlorinated and Tetrachlorinated Perylene Bisimides
... Dendrons by DSC and XRD. DSC traces of first heating (left), first cooling (middle), and second heating cycles (right) obtained with scan rates of 10 °C/min and 1 ºC/min for the semifluorinated dendronized PBIs 9 ...
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Compact Microstrip Patch Antenna with Switchable L-Shaped Slots for Wireless Applications
... Abstract: In this paper, analysis and design of compact Microstrip patch antenna incorporated by two orthogonal L-shaped switchable slots is proposed to achieve circular polarization. Two pin diodes are inserted in to ...
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Left-Handed Pupils In A Right-Handed Learning Environment: A Case Of Primary Schools In Vihiga County, Kenya
... the left hand is now generally accepted in schools (Paul, ...of left-handed learners in ...force left-handed pupils to use the right hand during writing lessons (Samuel and Josephine, ...
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Geometrical Analysis of Wave Propagation in Left-Handed Metamaterials.Part I
... Abstract—Geometrical analyses of basic equations of electromagnet- ics waves propagation in anisotropic dielectric materials with mag- netic isotropy are presented in two complementary papers (Part I and Part II). In the ...
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The Influence of Tooth Surface Modifications on the Sensitivity of Involute Cylindrical Gears to Manufacturing Errors
... 3,000 2,500 2,000 1,500 1,000 500 0 1 Negative profile deviation, Left-handed helix deviation Negative profile deviation, Right-handed helix deviation Positive profile deviation, Left-ha[r] ...
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Polarization Converter with Controllable Birefringence Based on Hybrid All Dielectric Graphene Metasurface
... In this work, an all-dielectric metasurface with a high Q-factor based on trapped magnetic mode is shown. The proposed unit cell is composed of cross-shaped, asym- metric, rectangular dipoles made of silicon, graphene, ...
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Left-Handed Completeness for Kleene algebra, via Cyclic Proofs
... for left-handed Kleene algebra with respect to rational language ...The left-handed derivations we construct closely follow the cyclic proofs of HKA, whose structure in turn corresponds to ...
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