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Enhanced Bandwidth Artificial Magnetic Ground Plane for Low
... narrow frequency range, thus limiting their application in the design of low-profile wideband antennas. In [7] and [8], EBG structures were used as a ground plane to implement low-profile spiral antennas, but in these works the frequency independent behavior of the spiral antenna was limited by the ...
... narrow frequency range, thus limiting their application in the design of low-profile wideband antennas. In [7] and [8], EBG structures were used as a ground plane to implement low-profile spiral antennas, but in these works the frequency independent behavior of the spiral antenna was limited by the ...
Tuning of resonance-spacing in a traveling-wave
... processing, sensing, and nonlinear optics has been an important and active area of research in this field [2–4]. Moreover, the possibility of low-power and low-loss tuning of resonance properties of such resonators has significantly enhanced device functionalities for applications where reconfigurat ...
... processing, sensing, and nonlinear optics has been an important and active area of research in this field [2–4]. Moreover, the possibility of low-power and low-loss tuning of resonance properties of such resonators has significantly enhanced device functionalities for applications where reconfigurat ...
UW LaTeX Thesis Template - UWSpace
... resonance based sensors are being used for detection of molecular adsorption such as DNA and proteins. These sensors are known to be highly sensitive and have successfully become commercialized. Terahertz (THz) frequency band of electromagnetic spectrum has attracted researchers in the last few year ...
... resonance based sensors are being used for detection of molecular adsorption such as DNA and proteins. These sensors are known to be highly sensitive and have successfully become commercialized. Terahertz (THz) frequency band of electromagnetic spectrum has attracted researchers in the last few year ...
Advanced Permanent Magnetic Materials
... Throughout the 20 century, researchers have achieved advances (sometimes disruptive, sometimes just incremental) in diversification and improvement of candidates for numerous permanent magnetic applications. However, earlier researchers did not have the analytical probes and tools that are available ...
... Throughout the 20 century, researchers have achieved advances (sometimes disruptive, sometimes just incremental) in diversification and improvement of candidates for numerous permanent magnetic applications. However, earlier researchers did not have the analytical probes and tools that are available ...
Chapter_1
... traversing the B-H loop at the origin X. As H is increased, the flux density B increases along the dashed line to the saturation point, Bs. When H is now decreased and B is plotted, B-H loop transverses a path to Br, where H is zero and the core is still magnetized. The flux at this point is called ...
... traversing the B-H loop at the origin X. As H is increased, the flux density B increases along the dashed line to the saturation point, Bs. When H is now decreased and B is plotted, B-H loop transverses a path to Br, where H is zero and the core is still magnetized. The flux at this point is called ...
Accessing the exceptional points of parity-time symmetric acoustics ARTICLE Chengzhi Shi
... Recent development in PT symmetric acoustics promises new applications such as asymmetric cloaking and sensing16,17. The control of exceptional points is crucial for the design of such devices. The realization of PT symmetric acoustics relies on the combination of acoustic loss and gain materials. I ...
... Recent development in PT symmetric acoustics promises new applications such as asymmetric cloaking and sensing16,17. The control of exceptional points is crucial for the design of such devices. The realization of PT symmetric acoustics relies on the combination of acoustic loss and gain materials. I ...
Dimensional crossover in the effective second-harmonic generation of films of... P. M. Hui, C. Xu, and D. Stroud
... Nonlinear response of random composite materials has been a subject of intensive research for many years.1 The nonlinear response in such composites may be affected by several factors. For example, the response can be greatly enhanced by local-field effects, and the percolation effect could change t ...
... Nonlinear response of random composite materials has been a subject of intensive research for many years.1 The nonlinear response in such composites may be affected by several factors. For example, the response can be greatly enhanced by local-field effects, and the percolation effect could change t ...
Determination of the water vapor continuum absorption by THz
... mm and THz windows, which are located between the strong resonant lines from 10 GHz up to approximately 2 THz allow for variable range transmission of THz pulses depending on the window. However, an additional continuum absorption exists within the transparent THz windows, which cannot be explained ...
... mm and THz windows, which are located between the strong resonant lines from 10 GHz up to approximately 2 THz allow for variable range transmission of THz pulses depending on the window. However, an additional continuum absorption exists within the transparent THz windows, which cannot be explained ...
Surface Plasmon Engineering in Graphene Functionalized with
... dielectric interface with the same wave vectors are also shown in Figure 2b as a comparison and will be analyzed in detail later. The effective refractive index for the SPs can be extracted from the dispersion relation as neff = cky/ω, which indicates the relative scale of the plasmonic wavelength an ...
... dielectric interface with the same wave vectors are also shown in Figure 2b as a comparison and will be analyzed in detail later. The effective refractive index for the SPs can be extracted from the dispersion relation as neff = cky/ω, which indicates the relative scale of the plasmonic wavelength an ...
Real and Imaginary Properties of Epsilon-Near
... length of 51 μm. Thus, the real ENZ material (ITO) of relatively low loss [14,15] in the optical range is indeed much inferior to real metals as a waveguiding material. As we have discussed above in conjunction with Eq. (7), this is due to the weak confinement: the energy leaks into the ENZ material ...
... length of 51 μm. Thus, the real ENZ material (ITO) of relatively low loss [14,15] in the optical range is indeed much inferior to real metals as a waveguiding material. As we have discussed above in conjunction with Eq. (7), this is due to the weak confinement: the energy leaks into the ENZ material ...
Chapter 9 Magnetic Forces, Materials, and Inductance
... Physically, the differential element of charge consists of a large number of very small discrete charges occupying a volume which, although small, is much larger than the average separation between the charges. The differential force expressed by (4) is thus merely the sum of the forces on the indiv ...
... Physically, the differential element of charge consists of a large number of very small discrete charges occupying a volume which, although small, is much larger than the average separation between the charges. The differential force expressed by (4) is thus merely the sum of the forces on the indiv ...
Metamaterials for Space Applications
... demand very exotic and difficult-to-realize material parameters of cloaking media. In particular, for dual-polarization operation the relative effective permittivity and permeability must be equal. The known designs of the radial EM properties utilize either only magneticallypolarizable particles (s ...
... demand very exotic and difficult-to-realize material parameters of cloaking media. In particular, for dual-polarization operation the relative effective permittivity and permeability must be equal. The known designs of the radial EM properties utilize either only magneticallypolarizable particles (s ...
Efficient Higher Order Full-Wave Numerical Analysis of 3-D Cloaking Structures ć
... transformation-based spherical cloaks and their effects on invisibility performance are presented in [21]. However, while all the reported theoretical works and investigations of transformation-based metamaterial cloaking concepts and designs rely to greater or lesser extent on analytical derivation ...
... transformation-based spherical cloaks and their effects on invisibility performance are presented in [21]. However, while all the reported theoretical works and investigations of transformation-based metamaterial cloaking concepts and designs rely to greater or lesser extent on analytical derivation ...
Last lecture Today`s menu Capacitive sensing elements Capacitive
... These elements are used for measuring linear and angular velocity and are based on Faraday’s law. This means that if a flux N linked to a conductor is changing with time, then the back electromotive force induced in the conductor is dN ...
... These elements are used for measuring linear and angular velocity and are based on Faraday’s law. This means that if a flux N linked to a conductor is changing with time, then the back electromotive force induced in the conductor is dN ...
Magnetic properties of quasi-one-dimensional antiferromagnets (Y1
... experiments on the mixed compounds (Y1 xNdx)2BaNiO5, x¼1, 0.75, 0.4, and 0.25, undertaken with the aim to study a crossover from the 1D quantum to the 3D classical behavior, have shown a paradoxical coexistence of the Haldane-gap excitations and spin waves in the ordered state [21–23]. This behavio ...
... experiments on the mixed compounds (Y1 xNdx)2BaNiO5, x¼1, 0.75, 0.4, and 0.25, undertaken with the aim to study a crossover from the 1D quantum to the 3D classical behavior, have shown a paradoxical coexistence of the Haldane-gap excitations and spin waves in the ordered state [21–23]. This behavio ...
and right-handed transmission peaks near the magnetic resonance
... properties. It was Veselago who introduced the term “lefthanded substances” in his seminal work published in 1968.1 He suggested that in a medium with simultaneously negative permittivity, , and permeability, , the index of refraction would be negative and the phase of the electromagnetic (EM) wav ...
... properties. It was Veselago who introduced the term “lefthanded substances” in his seminal work published in 1968.1 He suggested that in a medium with simultaneously negative permittivity, , and permeability, , the index of refraction would be negative and the phase of the electromagnetic (EM) wav ...
Coupling effect between two adjacent chiral structure layers
... Metamaterials are artificially structured materials that may possess electromagnetic properties not existing in natural materials. Metamaterials can be composed of dielectric elements or structured metallic components. A lot of novel applications can be realized by using metamaterials, e.g., cloakin ...
... Metamaterials are artificially structured materials that may possess electromagnetic properties not existing in natural materials. Metamaterials can be composed of dielectric elements or structured metallic components. A lot of novel applications can be realized by using metamaterials, e.g., cloakin ...
... This thesis presents the development and assessment of imaging techniques in the millimeterwave (mmW) and terahertz frequency bands. In the first part of the thesis, the development of a 94 GHz passive screener based on a total-power radiometer (TPR) with mechanical beamscanning is presented. Severa ...
Low-Field Magnetic Sensing with GMR Sensors
... and has been quite large. In addition, because of their size, the equipment has become costly. Leveraging on substantial government efforts, GMR technology is being applied to these applications today and the newer GMR technologies such as Spin Dependent Tunneling (SDT) will make even more of these ...
... and has been quite large. In addition, because of their size, the equipment has become costly. Leveraging on substantial government efforts, GMR technology is being applied to these applications today and the newer GMR technologies such as Spin Dependent Tunneling (SDT) will make even more of these ...
A Guide to the Design of Laminate PCBs at Microwave
... typically have a dielectric constant (r) of around 3.5. Microstrip and Grounded Coplanar Waveguide (GCPW) transmission lines are dispersive at high frequencies, which means that radiation increases and other propagation modes (e.g. substrate modes and transverse resonance modes) can start to have a ...
... typically have a dielectric constant (r) of around 3.5. Microstrip and Grounded Coplanar Waveguide (GCPW) transmission lines are dispersive at high frequencies, which means that radiation increases and other propagation modes (e.g. substrate modes and transverse resonance modes) can start to have a ...
META`15 New York
... Harvard University, which he joined in 2003 after 27 years at Bell Labs where he was Member of Technical Staff, Department Head and Vice President for Physical Research. He is visiting professor at NTU with both the School of Physical and Mathematical Sciences and Electrical and Electronic Engineeri ...
... Harvard University, which he joined in 2003 after 27 years at Bell Labs where he was Member of Technical Staff, Department Head and Vice President for Physical Research. He is visiting professor at NTU with both the School of Physical and Mathematical Sciences and Electrical and Electronic Engineeri ...
Negative Refractive Index Materials
... history of this scientific branch are outlined. Then recent results of studies of photonic crystals that exhibit negative refraction are discussed. In the third part numerical methods for the simulation of negative index material configurations and of metamaterials that exhibit negative index properti ...
... history of this scientific branch are outlined. Then recent results of studies of photonic crystals that exhibit negative refraction are discussed. In the third part numerical methods for the simulation of negative index material configurations and of metamaterials that exhibit negative index properti ...
Magnetism
... return exactly to their original positions [Fig. 14-22(d)] when the magnetising force (H) is removed. It's as if the domains were forced to move against an internal friction among the atoms of the magnetic material. This effect is called hysteresis. The word hysteresis means "to lag behind," which d ...
... return exactly to their original positions [Fig. 14-22(d)] when the magnetising force (H) is removed. It's as if the domains were forced to move against an internal friction among the atoms of the magnetic material. This effect is called hysteresis. The word hysteresis means "to lag behind," which d ...
1 Scientific and applied rationales of remote sensing study
... land), such as the degree of blackness and re¯ectivity of media, as well as in designing and manufacturing the radiophysical instruments for remote sensing. The quantum theory results are used in the determination of radiation energy emitted by physical bodies in the given frequency range, depending ...
... land), such as the degree of blackness and re¯ectivity of media, as well as in designing and manufacturing the radiophysical instruments for remote sensing. The quantum theory results are used in the determination of radiation energy emitted by physical bodies in the given frequency range, depending ...
Recent advances in transformation optics
... transformation optics. Many other novel effects and devices, such as illusion optics,27–30 optical black holes,31–34 beam shifters and rotators,35–37 lossless waveguide bends38–41 as well as various lenses42–50 have been proposed. In particular, combining the concept of complementary medium51 with t ...
... transformation optics. Many other novel effects and devices, such as illusion optics,27–30 optical black holes,31–34 beam shifters and rotators,35–37 lossless waveguide bends38–41 as well as various lenses42–50 have been proposed. In particular, combining the concept of complementary medium51 with t ...