Negative Index
Negative Index Material Composed of Meander Line and Srrs
... To design negative index material, we first design meander lines and SRRs separately. We fix both unit sizes to be 3.333 mm, and tune their dominant dimensions to make them resonate at similar frequencies. ...
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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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Multi-Negative Index Band Metamaterial-Inspired Microfluidic Sensors
... a negative index, the real part, from ...refractive index plot in Figure 7(b). The imaginary part of the refractive index, signifying material loss, is low within the operating ...
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Impact of Cladding Permeability on Guided Modes in a Negative-Index Slab Waveguide
... slab waveguide composed of a negative index material (Left handed material) and surrounded by conventional media. We predict that such a waveguide can support symmetric modes in such a symmetric structure. ...
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The Microstructure Design Optimization of Negative Index Metamaterials Using Genetic Algorithm
... novel negative index metamaterial microstructure design methodology that uses a FDTD solver optimized by genetic algorithm (GA) technique in order to achieve a simultaneously negative permeability ...
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Investigation of a New Waveguide Structure Based on Negative Index Material for Optoelectronic Applications
... a negative refractive index [8]-[13] open up an exceptional possibility to design novel types of devices where electromagnetic waves propagate in a nonconventional ...a negative index material ...
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Band Structures and Abnormal Behavior of One Dimensional Photonic Crystal Containing Negative Index Materials
... A negative refractive index is obtained by interleaving two structures that individually show a negative ε or negative ...of negative refraction material in contrast to the conventional ...
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Optical Negative Index Metamaterial Using CSRR by Incidenting the Light Horizontally at Near Infrared Domain
... corresponding negative index materials. In the last decade, negative indexed materials (NIMs) or double negative materials (DNG) or left-handed materials (LHMs) with simultaneously ...
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Perfectly matched layers in negative index metamaterials and plasmas*
... • Negative Index Metamaterials (NIMs), also called left-handed media or double negative ...have negative permittivity and permeability at some frequencies due to microscopic resonating ...
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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 profile ...
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Photonic Modes in Dispersive and Lossy Superlattices Containing Negative-Index Materials
... Once the fundamental properties of the LHMs were known [4–6], it was natural to propose the creation of heterostructures with LHM constituents. For layered structures containing LHMs and ordinary right-handed materials ...
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Investigation of Negative Refraction Phenomenon for Au Nanowires Array Tuning with Index of Filling Material
... a negative index of refraction [1-4]. Negative re- fraction is a fantastical phenomenon that is demonstrated interaction between light and ...corresponding negative refraction materials have ...
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Giant Optical Activity and Negative Refractive Index Using Complementary U-Shaped Structure Assembly
... band negative refractive index mainly originates from the chiral configuration of this complementary ...and negative index in near-infrared frequency band by scaling down the geometry ...
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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 ...
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Topological insulator metamaterials with tunable negative refractive index in the optical region
... as negative refractive index and cloaking ...of negative-refractive-index MMs [8-11], owing to the cou- pling between surface plasmons counterpropagating on the two closely spaced interfaces ...
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Relationship of the change in implied volatility with the underlying equity index return in Thailand
... underlying index returns on implied volatility indices has been recently well- ...volatility index can measure investors’ sentiment or ...equity index or negative index return and if ...
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DAIR (Debridement, Antibiotics and Implant Retention) less effective in hematogenous total knee arthroplasty infections
... The mean follow-up was 3.4 years (1–12 years) with 20 knees (77%) free of infection at the last follow-up. The outcome was successful in the majority of the early post- operative infections (93%) whereas in the ...
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Original Article Expression level and clinical significance of PD-1, MMP-2 and SE-Cad in patients with acute myeloid leukemia
... test was used for the comparison of the numer- ation data. The relationship between PD-1, MMP-2, SE-Cad and the proportion of bone marrow immature cells was analyzed using the Pearson correlation method. ROC curve was ...
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The computation of the index of a Morse function at a critical point
... k x k real non-singular symmetric matrix, we denote by the index of A, A, the number of negative eigenvalues of A.. Using the above definition, wc may define the index of a Morse functio[r] ...
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CD20 negative de novo diffuse large B cell lymphoma in HIV negative patients: A matched case control analysis in a single institution
... Several studies have demonstrated that when treated with CHOP alone, CD20-positive DLBCL attained a CR rate of > 60% [30-33]. Similar results were observed in our CD20-positive DLBCL patients (a CR rate of 82%) when ...
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