• No results found

epsilon-near-zero materials

Enhanced nonlinear refractive index in ε near zero materials

Enhanced nonlinear refractive index in epsilon-near-zero materials

... (ENZ) materials have been investigated [15–32] for applications ranging from controlling the radiation pattern of electro- magnetic sources to novel waveguiding regimes and perfect ...bulk materials may ...

5

Optically induced metal-to-dielectric transition in epsilon-near-zero metamaterials

Optically induced metal-to-dielectric transition in epsilon-near-zero metamaterials

... Epsilon-Near-Zero materials exhibit a transition in the real part of the dielectric permittivity from positive to negative value as a function of ...with zero real part of the ...

7

Optically induced metal to dielectric transition in Epsilon Near Zero metamaterials

Optically induced metal to dielectric transition in Epsilon Near Zero metamaterials

... Epsilon-Near-Zero materials exhibit a transition in the real part of the dielectric permittivity from positive to negative value as a function of ...with zero real part of the ...

7

Polarization Insensitive Surface Plasmon Polarization Electro Absorption Modulator Based on Epsilon Near Zero Indium Tin Oxide

Polarization Insensitive Surface Plasmon Polarization Electro Absorption Modulator Based on Epsilon Near Zero Indium Tin Oxide

... Recently, transparent conductor oxides (TCOs), such as indium tin oxide (ITO), aluminum zinc oxide, and gallium zinc oxide, are emerging as attractive active materials for integrated electro-absorption (EA) ...

7

A Novel Epsilon Near Zero (Enz) Tunneling Circuit Using Microstrip Technology for High Integrability Applications

A Novel Epsilon Near Zero (Enz) Tunneling Circuit Using Microstrip Technology for High Integrability Applications

... composite materials with negative values of permittivity and permeability/either permittivity or permeability are negative which exhibit extraordinary electromagnetic (EM) properties and have attracted much ...

10

Gain Enhancement of a Millimeter Wave Antipodal Vivaldi Antenna by Epsilon-Near-Zero Metamaterial

Gain Enhancement of a Millimeter Wave Antipodal Vivaldi Antenna by Epsilon-Near-Zero Metamaterial

... Studying the properties of metamaterials attracts significant interest due to their special electromagnetic characteristics which cannot be found in natural materials. These unique characteristics include double ...

12

Wave Interaction With Epsilon-znd-Mu-Near-Zero (emnz) Platforms and Nonreciprocal Metastructures

Wave Interaction With Epsilon-znd-Mu-Near-Zero (emnz) Platforms and Nonreciprocal Metastructures

... anisotropic near-zero parameters media has also been explored, adding extra degrees of freedom and thus achieving some interesting phenomena 34–37 ...Moreover, zero parameters materials have ...

151

Design of a Reflectarray Antenna Using Graphene and Epsilon-Near-Zero Metamaterials in Terahertz Band

Design of a Reflectarray Antenna Using Graphene and Epsilon-Near-Zero Metamaterials in Terahertz Band

... for materials which naturally have distinctive assets is clear for every single ...usable materials in manufacturing THz devices is graphene [9] which is a 2-D material consisting of carbon atoms in a ...

7

Degenerate optical nonlinear enhancement in epsilon-near-zero transparent conductive oxides

Degenerate optical nonlinear enhancement in epsilon-near-zero transparent conductive oxides

... M.F. acknowledges support from EPSRC (UK, Grant EP/P019994/1) and from The Royal Society (Project num.: RG2017R1). M.C. acknowledges support from EPSRC and Innovate UK (UK, Grant EP/S001573/1, EP/R043299/1), C.D., A.B., ...

9

Enhanced nonlinear effects in pulse propagation through epsilon near zero media

Enhanced nonlinear effects in pulse propagation through epsilon near zero media

... a zero of the real part of the medium permittivity. Permittiv- ity zero-crossing-points are present in standard materials close to the resonant absorption frequencies and have been used to achieve ...

9

Enhanced asymmetric transmission in hyperbolic epsilon near zero slabs

Enhanced asymmetric transmission in hyperbolic epsilon near zero slabs

... In the considered example, we have discussed the asymmetric transmission occurring in a natural ENZ hyperbolic material. Unfortunately, they are not available in some spectral region (e.g. in the optical range) [50], and ...

12

Large optical nonlinearity of nanoantennas coupled to an epsilon near zero material

Large optical nonlinearity of nanoantennas coupled to an epsilon near zero material

... of materials, including local field enhance- ment using composite structures [3, 4, 5], plasmonic structures [6, 7], and metamaterials [8, 9, 10, ...that materials with vanishingly small permittivity – ...

15

Epsilon near zero metamaterials for ultra low power nonlinear applications

Epsilon near zero metamaterials for ultra low power nonlinear applications

... In this work we fabricate and experimentally investigate ENZ metamaterials composed of metal-dielectric multilayers. We observe ultrafast nonlinear response of our structures at the red edge of the visible spectrum. The ...

6

Epsilon near zero metamaterials for optoelectronic applications

Epsilon near zero metamaterials for optoelectronic applications

... the materials operated closed to their plasma frequency, such as TCOs (Figure ...conducting materials, such as metals, semiconductors and TCOs, and determines the permittivity of these materials ...

180

ZVS Boost Converter with A Flyback Snubber Circuit

ZVS Boost Converter with A Flyback Snubber Circuit

... In Fig. 5, clamp-branch diode D1 and capacitor Cs can help achieve near ZCS for Sm. The energy stored in capacitor Cs does not circulate through main switch Sm while it is transferred to Cb through the flyback ...

8

Possibilities for Achieving the Vision of Near Net Zero Emission in Building Sector in Bosnia and Herzegovina

Possibilities for Achieving the Vision of Near Net Zero Emission in Building Sector in Bosnia and Herzegovina

... different laws and measures to slow down the process. Nowadays, the usage of renewable energy is imperative (solar energy, wind, biomass, etc.) in order to achieve a zero emission of greenhouse gases. European ...

8

Building an Online Interactive 3D Virtual World for AquaFlux and Epsilon

Building an Online Interactive 3D Virtual World for AquaFlux and Epsilon

... practical and useful is the interactivity that 3D multimedia applications can provide it, particularly when the whole project displayed on-line using the WWW [2]. Moreover, users of the current Internet age are ready to ...

14

Compression of Image using Enhanced EZW by Setting Detail Retaining Pass Number

Compression of Image using Enhanced EZW by Setting Detail Retaining Pass Number

... of zero tree of the previous passes in the successive passes as we can consider that most of the values are near to zero and will become insignificant at all, even when the remarkable reduction in ...

8

Clostridium perfringens Epsilon Toxin Causes Selective Death of Mature Oligodendrocytes and Central Nervous System Demyelination

Clostridium perfringens Epsilon Toxin Causes Selective Death of Mature Oligodendrocytes and Central Nervous System Demyelination

... brain. Epsilon toxin (␧-toxin)-carrying Clostridium perfringens strains are responsible for a devastating white matter disease in ruminant animals that shares similar features with human multiple ...

13

Proteolytic Processing and Activation of Clostridium perfringens Epsilon Toxin by Caprine Small Intestinal Contents

Proteolytic Processing and Activation of Clostridium perfringens Epsilon Toxin by Caprine Small Intestinal Contents

... In summary, the current studies for the first time investigated the activation and processing of epsilon prototoxin using the in- testinal contents of a natural host. Under these conditions, the presence of ...

10

Show all 10000 documents...

Related subjects