Search results | J. Murrey Atkins Library

Title: Cache-Aware Implementation of Compressed Sensing Reconstruction using Walsh-Hadamard Transform on a Multicore Architecture
Author: Ramgopal, Aneesh
Date Created: 2014
Subjects--Topical: Electrical engineering, Computer engineering
Description: The recent development of the compressed sensing (CS) theory has given rise to several algorithms being proposed for signal acquisition and reconstruction. Implementing these algorithms are computationally demanding and pose several challenges for...

Title: Complex photonic crystals for broadband "all-angle" self-collimation
Author: Chuang, Yi-Chen
Date Created: 2010
Subjects--Topical: Optics
Description: Self-collimation is a dispersion property of many photonic crystals (PCs), in which light beam can propagate free of divergence in the PCs. While self-collimation is a desired property for applications related to wave guiding and light collection,...

Title: DYNAMIC ENERGY DISTRIBUTION IN SMART GRIDS ENABLED BY INTERNET OF THINGS SENSORS AND HYBRID TELECOM NETWORKS
Author: Bikmetov, Ravil
Date Created: 2019
Subjects--Topical: Computer science, Power resources, Operations research
Description: ABSTRACTRAVIL BIKMETOV. Dynamic Energy Distribution in Smart Grids Enabled by Internet of Things Sensors and Hybrid Telecom Networks. (Under the direction of DR. YASIN RAJA)Ability to manage energy consumption and generation is a major feature of ...

Title: EFFECTS OF SUBSTRATE ON 2D MATERIALS, GRAPHENE, MOS2, WS2, AND BLACK PHOSPHORUS, INVESTIGATED BY HIGH TEMPERATURE AND SPATIALLY RESOLVED RAMAN SCATTERING AND PHOTOLUMINESCENCE
Author: Su, Liqin
Date Created: 2015
Subjects--Topical: Materials science
Description: The exploration of a group of new 2D materials, such as graphene and transition metal dichalcogenides, has become the hottest research of interest in recent years. With the dependable techniques of producing 2D materials, particularly mechanical e...

Title: Effects of Edge Roughness on Optical Scattering from Periodic Microstructures
Author: Bergner, Brent
Date Created: 2009
Subjects--Topical: Optics, Nanotechnology
Description: Planar photonic crystals and other microstructured surfaces have important applications in a number of emerging technologies. However, these structures can be difficult to fabricate in a consistent manner. Rapid, precise measurements of critical p...

Title: Enhanced electron mobility at Gd2O3(100)/Si(100) interface: origin and applications
Author: Sitaputra, Wattaka
Date Created: 2012
Subjects--Topical: Materials science, Electrical engineering
Description: A growth of a gadolinium oxide (Gd₂O₃) layer with (100) orientation on a Si(100) substrate was obtained for the first time using molecular beam epitaxy deposition (MBE) with the growth temperature in the range of 150-200°C and the oxygen partial p...

Title: Exploring exciton and trap state recombination dynamics in cadmium sulfide quantum dots
Author: Woodall, Danielle
Date Created: 2015
Subjects--Topical: Nanoscience, Chemistry, Physical and theoretical
Description: Colloidal semiconducting quantum dots (QDs) are ideal candidates for optoelectronic devices such as solar cells and LEDs because of their high photoluminescence (PL) quantum yields and photostability. In order to improve device efficiencies, we mu...

Title: FOURIER-BASED IMAGE SHARPNESS SENSOR FOR ADAPTIVE OPTICS CORRECTION
Author: Walker, Kristin
Date Created: 2009
Subjects--Topical: Optics
Description: Adaptive optics reduces undesirable turbulence effects present during propagation and imaging through the atmosphere or another random medium. Within an adaptive optics system, wavefront sensing determines the incoming wavefront errors. Image shar...

Title: From Nonradiating Sources to Directionally Invisible Objects
Author: Hurwitz, Elisa
Date Created: 2017
Subjects--Topical: Optics, Physics
Description: The goal of this dissertation is to extend the understanding of invisible objects, in particular nonradiating sources and directional nonscattering scatterers. First, variations of null-field nonradiating sources are derived from Maxwell's equatio...

Title: INTEGRATED AND MINIATURIZED ENDOSCOPIC DEVICES FOR USE DURING HIGH POWER INFRARED FIBER LASER SURGERY
Author: Wilson, Christopher
Date Created: 2016
Subjects--Topical: Optics, Physics, Biomedical engineering
Description: The Thulium Fiber Laser (TFL) is currently being studied as a potential alternative to the conventional, solid-state Holmium:YAG laser (Ho:YAG) for the treatment of kidney stones. The TFL is an ideal candidate to replace the Ho:YAG for laser litho...

Title: Index-antiguided planar waveguide lasers with large mode area
Author: Liu, Yuanye
Date Created: 2017
Subjects--Topical: Optics, Physics
Description: The on-going research and application interests with high power large-mode-area (LMA) waveguide lasers, especially in fiber geometry, at the beginning of this century drive the development of many novel waveguide designs. Index antiguiding, propos...

Title: Infrared Photocurrent Spectroscopy Of Deep Levels In Mg-Doped GaN And AlxGa1-xN
Author: Batoni, Paolo
Date Created: 2009
Subjects--Topical: Electrical engineering
Description: Recently, there is an increasing demand for III-nitride semiconductor based optoelectronic devices, and especially for ultraviolet (UV) and Deep UV sources and sensors; however, the development and the performance of such devices is fundamentally ...

Title: LIGHT-MATTER INTERACTIONS IN SEMICONDUCTOR NANOWIRES: LIGHT-EFFECT TRANSISTOR AND LIGHT-INDUCED CHANGES IN ELECTRON-PHONON COUPLING AND ELECTRICAL CHARACTERISTICS
Author: Marmon, Jason
Date Created: 2016
Subjects--Topical: Materials science, Electrical engineering, Optics
Description: This dissertation explores three related embodiments of light–matter interactions at the micro– and nano–scales, and is focused towards tangible device applications. The first topic provides a fundamentally different transistor or electronic switc...

Title: Microspherical Photonics for Enhancing Resolution of Optical Microscopy and Sensitivity of Focal Plane Arrays
Author: Brettin, Aaron
Date Created: 2018
Subjects--Topical: Optics
Description: It is shown that the resolution of virtual images of dye-doped dielectric nanospheres obtained through dielectric microspheres can be increased beyond the classical diffraction limit by decreasing the period of nanoplasmonic array used for localiz...

Title: Microspherical photonics: Giant resonant light forces, spectrally resolved optical manipulation, and coupled modes of microcavity arrays
Author: Li, Yangcheng
Date Created: 2015
Subjects--Topical: Optics, Physics
Description: Microspherical photonics emerged in recent years in the context of fundamentally new optical properties of structures formed by coupled dielectric microspheres. These include coupling between whispering gallery modes (WGMs), photonic nanojets, nan...

Title: OPTICAL PERFORMANCE OF RANDOM ANTIREFLECTION STRUCTURED SURFACES ON NON-VITREOUS SUBSTRATES AND FUSED SILICA MICROLENS ARRAYS
Author: Eckart, Abigail
Date Created: 2018
Subjects--Topical: Optics
Description: Random anti-reflection surface structures (rARSS) are randomly spaced, densely packed, sub-wavelength cylindrical or conical features that are fabricated on the surface of optical substrates. As light passes from the superstrate to the substrate m...

Title: Optical Stimulation of the Prostate Nerves: A Potential Diagnostic Technique
Author: Tozburun, Serhat
Date Created: 2012
Subjects--Topical: Optics
Description: There is wide variability in sexual potency rates (9 - 86%) after nerve-sparing prostate cancer surgery due to limited knowledge of the location of the cavernous nerves (CN's) on the prostate surface, which are responsible for erectile function. T...

Title: PHASE STRUCTURED WAVEFIELDS WITH PHASE SINGULARITIES AND BISPECTRAL PROPERTIES
Author: Scipioni, Marco
Date Created: 2010
Subjects--Topical: Optics
Description: The work presented in this dissertation can be subdivided into two parts. The first part illustrates the novel use of a 37 actuator segmented deformable mirror for the creation of optical vortex beams ranging in topological charge from 1 to 10. Th...

Title: SCALABLE HIGH-CAPACITY HIGH-FAN-OUT OPTICAL NETWORKS FOR CONSTRAINED ENVIRONMENTS
Author: Syed, Ali
Date Created: 2012
Subjects--Topical: Optics, Communication
Description: The investigations carried out as part of the dissertation address the architecture and application of optical access networks pertaining to high-capacity and high fan-out applications such as in-flight entertainment (IFE) and video-gaming environ...

Title: SPATIAL FIELD CONTROL OF BROAD AREA SEMICONDUCTOR LASERS WITH INTEGRATED GRATING COUPLERS
Author: Smolski, Viktor
Date Created: 2012
Subjects--Topical: Electrical engineering, Optics
Description: In this research, a method of designing a grating outcoupler to obtain the desired 2D-intensity profile and improved field distribution of the optical beam emitted by a grating coupled surface emitting laser is presented. The method is based on va...