Negative-Index Metamaterial
Miniaturize Negative Index Metamaterial Structure Loaded Filtenna
... a negative index metamaterial (NIM) superstrate is designed and cooperated with the filtenna to produce miniaturize communication front end for gain enhancement without any substantial increase in the ...
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Antipodal Vivaldi Antenna Performance Booster Exploiting Snug-in Negative Index Metamaterial
... Abstract—Despite its popularity, the conventional Vivaldi antenna has long suffered from some design problems, such as tilted beam, low or inconsistent directivity and gain, complicated design and fabrication methods, ...
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Development of Novel Tunable Dual-Band Negative Index Metamaterial Using Open Stub-Loaded Stepped-Impedance Resonator
... dual-band negative refractive ...with negative real refractive index, n, ...with negative indices at lower fabrication costs on small-scale photolithographic printed circuit ...
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Optical Negative Index Metamaterial Using CSRR by Incidenting the Light Horizontally at Near Infrared Domain
... of metamaterial structure with horizontally incident source at near-infrared ...a negative refractive index indicating the properties of double negative material and left-handed material at ...
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A Negative Refractive Index Metamaterial Based on a Cubic Array of Layered Nonmagnetic Spherical Particles
... a negative effective refractive index for the proposed ...another negative-index metamaterial is proposed that is based on dielectric-coated metallic ...all-dielectric ...
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The Microstructure Design Optimization of Negative Index Metamaterials Using Genetic Algorithm
... reported metamaterial microstructures are obtained based on human intuition, experience or large numbers of simulation experiments which were time-consuming, ineffective or ...novel negative index ...
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Perfectly matched layers in negative index metamaterials and plasmas*
... In the first part, we did a brief survey on classical PMLs in non-dispersive media: construction, necessary criterion of stability and application to some wave models. In the second part, we extended these results to a ...
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Design of Compact Bend Triangular Resonator for Wide Band Application
... cell metamaterial structure is proposed, which consists of 4 compact bend triangular resonators (CBTRs) that offer wideband frequency ...single negative metamaterial based resonators give band ...
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Metamaterials: A Leading Edge of Science and Technology
... antennas. Metamaterial based antennas exhibit several other useful properties such as high directivity, improved efficiency-bandwidth performance, stepping up of radiated power ...Various metamaterial ...
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A Broadband Negative Epsilon Fractal Metamaterial Unit Cell for Coaxial Notch Filter Applications
... as negative permeability and negative permittivity [1, ...achieve negative permittivity is the electric disk resonator (EDR) [3] (see ...desired negative permittivity response of such unit ...
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Improvement in Characteristics of Microstrip Patch Antenna with the Help of Zero Index Metamaterial Structure
... new metamaterial unit-cell with a zero refractive index (n) is presented and employed for the gain enhancement of a microstrip antenna operating at ...the metamaterial gathers the wave radiated from ...
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Hybrid Broadband 60-GHz Double Negative Metamaterial High Gain Antenna
... the metamaterial superstrate and Φ GND is the reflection phase of the ground ...the metamaterial superstrate reflectivity has been done, the second step consists in extracting effective ...refractive ...
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A multi-layer active elastic metamaterial with tuneable and simultaneously negative mass and stiffness
... the negative frequency band and increases the magnitude of the parameters in the negative ...double negative region the two parameters are controlled much more ...
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A new wide band double negative metamaterial for C and S band applications
... double-negative metamaterial, considering a frequency range of ...exhibits negative permittivity and permeability simultaneously at S-band ...the metamaterial and hence lead to a slight shift ...
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Wideband Negative Permittivity Metamaterial for Size Reduction of Stopband Filter in Antenna Applications
... CSRR negative permittivity stop band was designed to cover frequencies including the above frequencies ...this negative permittivity metamaterial feeding transmission line is shown in Figure ...
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Effective Material Property Extraction of a Metamaterial by Taking Boundary Effects into Account at TE/TM Polarized Incidence
... (two-dimensional metamaterial made of a planar array of ...a metamaterial and air, and can be used to give the relation of the electric and magnetic surface susceptibilities to the reflection and ...
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Design of Low-Index Metamaterial Lens Used for Wideband Circular Polarization Antenna
... In this letter, we present a LIML which can improve the gain of wideband circular polarization antenna. A metamaterial structure competent for circular polarization is used as the element to design the LIML ...
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Transmission through Double Positive --- Dispersive Double Negative Chiral Metamaterial Structure in Fractional Dimensional Space
... Fractional space has proved to be an extremely useful concept in many areas of physics, including electromagnetics, casting new problems and finding novel solutions to the existing ones [1–5]. Indeed, many problems ...
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Radiation Characteristics of a Novel µ Negative Metamaterial Spiral Resonator Antenna at the 2 4 GHz
... Therefore, this paper discusses the radiation characteristic of SR structure of µ negative metamaterial as a novel antenna. The discussion begins with a parametric study of the SR structure dimensions to ...
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Implementation Of Various Bio-Material As Double Negative Metamaterial Build In For Ultra-Wideband (UWB) Antenna Design
... antena metamaterial sebagai substrate (permukaan antena) dengan menggunakan bahan semulajadi sebagai sub - struktur ...itu, metamaterial ini telah direka di dalam antena menggunakan empat substrate ...
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