Search results
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Title
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ADDITIVE MANUFACTURABLE METASURFACES FOR RF APPLICATION
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Author
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Hecht, Kristy
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Date Created
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2020
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Subjects--Topical
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Electromagnetism
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Description
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Materials found in nature exhibit behaviors with certain properties such as mass density, permeability, and permittivity. Unfortunately, there are limitations and restrictions to the behaviors of these materials that can be overcome with the use o...
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Title
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Advanced Metasurface Design and Integration for Electromagnetic Systems
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Author
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Hecht, Kristy
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Date Created
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2023
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Subjects--Topical
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Electromagnetism
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Description
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In the realm of metamaterials and electromagnetic engineering, a metasurface is a two-dimensional array of subwavelength-scale structures meticulously engineered to manipulate electromagnetic waves. Unlike conventional bulky optical elements, meta...
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Title
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An Investigation Into the Torque Density Capabilities of Flux-Focusing Magnetic Gearboxes
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Author
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Uppalapati, Krishna Kiran
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Date Created
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2015
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Subjects--Topical
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Electrical engineering, Power resources, Electromagnetism
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Description
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Wind and many rotary based ocean energy conversion devices rely on a mechanical gearbox to increase their speed so as to match the requirements of the electromagnetic generator. However, mechanical gearboxes have a number of disadvantages such as ...
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Title
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Current sensing solutions for modern power electronic
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Author
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Niakan, Hossein
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Date Created
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2023
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Subjects--Topical
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Electrical engineering, Electromagnetism
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Description
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Power electronics facilitated the growth of a wide range of industries in today’s world. Its presence can be seen in renewable energy systems, transportation electrification, smart grids, industrial drives, and consumer electronics to name a few. ...
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Title
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Design of a Microstrip Antenna and PCB for use in an Electrocorticography Biomedical Implant
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Author
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West, Jakob
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Date Created
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2019
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Subjects--Topical
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Electrical engineering, Biomedical engineering, Electromagnetism
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Description
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An implantable system, that is part of a wireless body area network, is under development for a study monitoring of neural activity in rats with epilepsy. The study will continue over a nine month period to collect data for epilepsy research. This...
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Title
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Dynamic suspension modeling of an eddy-current device: an application to Maglev
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Author
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Paudel, Nirmal
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Date Created
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2012
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Subjects--Topical
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Electrical engineering, Power resources, Electromagnetism
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Description
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When a magnetic source is simultaneously oscillated and translationally moved above a linear conductive passive guideway such as aluminum, eddy-currents are induced that give rise to a time-varying opposing field in the air-gap. This time-varying ...
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Title
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EXTERNAL WAVELENGTH STABILIZATION OF GRATING COUPLED SURFACE EMITTING LASERS AND APPLICATIONS
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Author
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Yilmaz, Yigit
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Date Created
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2012
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Subjects--Topical
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Electrical engineering, Optics, Electromagnetism
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Description
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In this dissertation, we explore a semiconductor optical device configuration based on non-resonant diffraction grating coupler. These devices are coupled with monolithic and external wavelength selection elements to form the resonant cavity lasin...
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Title
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Exploiting Metamaterials: Fundamentals and Applications
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Author
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Karami, Morteza
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Date Created
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2017
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Subjects--Topical
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Optics, Physics, Electromagnetism
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Description
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Metamaterials are man-made structures developed to engineer electromagnetic waves, and they have been studied intensely in recent decades. Although there are still debates about the performance of these types of artificial materials, many practica...
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Title
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INFORMATION BASED SMART RF ENERGY HARVESTING IN WIRELESS SENSOR NETWORKS
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Author
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Tripathi, Asheesh
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Date Created
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2020
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Subjects--Topical
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Electrical engineering, Electromagnetism
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Description
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A major constraint for long term sustainability of wireless sensor networks (WSN) and the Internet of Things (IoT) is the limitation of their energy resources. Most wireless sensors are low energy consuming devices which are, in general, designed ...
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Title
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MANAGEMENT OF OPTICAL ABSORPTION IN PLASMONIC METAMATERIALS
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Author
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Alisafaee, Hossein
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Date Created
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2015
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Subjects--Topical
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Electromagnetism
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Description
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In this dissertation, the main focus has been on the manipulation of optical absorption. That is to either decrease the unwanted losses or increase the desired absorption for specific applications. The approaches have been chosen to provide insigh...
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Title
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Microwave power imaging for ultra-wide band early breast cancer detection
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Author
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Shao, Wenyi
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Date Created
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2012
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Subjects--Topical
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Electrical engineering, Biomedical engineering, Electromagnetism
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Description
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Due to the critical need for complementary or/and alternative modalities to current X-ray mammography for early-stage breast cancer detection, a 3D active microwave imaging system has been developed. This thesis presents a detailed method for rapi...
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Title
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THE ADVANCED CONTROL OF TRIBOELECTRICALLY CHARGED FUEL USING ELECTRIC FIELDS UNDER HIGH PRESSURE
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Author
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Rolle, Alzarrio
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Date Created
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2017
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Subjects--Topical
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Mechanical engineering, Power resources, Electromagnetism
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Description
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This research provides preliminary results of electrospraying in elevated surrounding pressures of 40, 50 and 60 psi. Investigations were correspondingly detailed regarding the process of designing and acquiring a manufactured custom pressure cham...
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Title
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THREE-DIMENSIONAL STEADY STATE AND TRANSIENT EDDY CURRENT MODELING
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Author
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Paul, Subhra
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Date Created
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2014
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Subjects--Topical
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Electrical engineering, Electromagnetism
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Description
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Maglev transportation using electrodynamic wheels is a promising new technology aimed at providing a low cost, high-speed and environmental friendly mode of transportation. In this technology, Halbach permanent magnet rotors, termed electrodynamic...
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Title
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Ultra-Wideband Contactless Current Sensors for Power Electronics Applications
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Author
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Parsa Sirat, Ali
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Date Created
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2023
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Subjects--Topical
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Electrical engineering, Electromagnetism
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Description
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Enhanced power density factors can be achieved in the new generation of power electronics by utilizing wide-bandgap semiconductor switching devices with higher switching speeds and lower losses. These characteristics make high-frequency switching ...