Search results | J. Murrey Atkins Library

Title: A NUMERICAL STUDY OF INTERFACIAL INSTABILITIES IN SHOCKED MATERIALS WITH SURFACE TENSION
Author: Bigdelou, Pedram
Date Created: 2020
Subjects--Topical: Fluid mechanics, Physics
Description: Shock-driven multi-material flows occur in several applications including shock wave lithotripsy, underwater explosions, droplet combustion, propeller cavitation and ejection of material from surfaces subject to blast loading. Such flows are highl...

Title: A SINGLE-PIXEL HYPERSPECTRAL IMAGING SYSTEM FOR CANCER MARGIN DETECTION
Author: Peller, Joseph
Date Created: 2018
Subjects--Topical: Optics, Physics
Description: We have developed a hyperspectral imaging (HSI) system based on a single pixel camera design to detect differences in tissue properties based on the optical reflectance and autofluorescence spectra of the tissue. The long-term goal of this project...

Title: ACCURATE AND EFFICIENT CALCULATION OF SINGULAR ELECTROSTATIC POTENTIALS IN CHARGE-DIELECTRIC SPHERICAL AND JANUS PARTICLE SYSTEMS
Author: Retz, Caylah
Date Created: 2018
Subjects--Topical: Molecular biology, Mathematics, Physics
Description: We introduce an efficient and accurate boundary element method for computing the electrostatic potential in closely-packed dielectric spheres and Janus particles. Close physical proximity occurs in modeling molecular ion interactions or colloidal ...

Title: Blinking Correlation in Nanocrystal Quantum Dots Probed with Novel Laser Scanning Confocal Microscopy Methods
Author: Hefti, Ryan
Date Created: 2013
Subjects--Topical: Nanoscience, Physics
Description: Semiconductor quantum dots have a vast array of applications: as fluorescent labels in biological systems, as physical or chemical sensors, as components in photovoltaic technology, and in display devices. An attribute of nearly every quantum dot ...

Title: CHARACTERIZATION OF LIGHT-META STRUCTURE INTERACTIONS
Author: Chandra, Nitish
Date Created: 2018
Subjects--Topical: Optics, Physics
Description: The advent of metamaterials has increased the complexity of possible light-matter interactions, creating gaps in knowledge and violating various commonly used approximations and rendering some common mathematical frameworks incomplete. Our forward...

Title: Characterization of Individual Straight and Kinked Boron Carbide Nanowires
Author: Cui, Zhiguang
Date Created: 2016
Subjects--Topical: Materials science, Nanoscience, Physics
Description: Boron carbides represent a class of ceramic materials with p-type semiconductor natures, complex structures and a wide homogeneous range of carbon compositions. Bulk boron carbides have long been projected as promising high temperature thermoelect...

Title: Controlled coherence plasmonic light sources
Author: Gbur, Greg, Smith, Matt
Date Created: 2021
Subjects--Topical: Physics, Optics
Description: Through a computational model, we study the coherence converting capabilities of an array of holes in a surface plasmon-supporting metal plate, with an eye towards the creation of controlled coherence plasmonic light sources. We evaluate how the a...

Title: Cycle of phase, coherence and polarization singularities in Young's three-pinhole experiment
Author: Gbur, Greg, Pang, Xiaoyan, Visser, Taco D.
Date Created: 2015
Subjects--Topical: Physics, Optics
Description: It is now well-established that a variety of singularities can be characterized and observed in optical wavefields. It is also known that these phase singularities, polarization singularities and coherence singularities are physically related, but...

Title: DESIGN, TOLERANCING, AND EXPERIMENTAL CHARACTERIZATION OF DYNAMIC FREEFORM OPTICAL SYSTEMS
Author: Shultz, Jason
Date Created: 2017
Subjects--Topical: Optics, Engineering, Physics
Description: Although freeform concepts have been considered for many decades, new fabrication capabilities have enabled new classes of optical components and sparked greatly increased interest in freeform optics. Generally defined as surfaces without rotation...

Title: Dynamic aerosol and dynamic air-water interface curvature effects on a 2-Gbit/s free-space optical link using orbital-angular-momentum multiplexing
Author: Gbur, Greg, Song, Haoqian, Zhang, Runzhou, Hu, Nanzhe
Date Created: 2022
Subjects--Topical: Physics, Optics
Description: When an orbital-angular-momentum (OAM) beam propagates through the dynamic air-water interface, the aerosol above the water and the water surface curvature could induce various degradations (e.g., wavefront distortion, beam wandering, scattering, ...

Title: ELUCIDATING FUNCTIONAL MECHANISMS IN PROTEINS USING THE DISTANCE CONSTRAINT MODEL
Author: Singer, Christopher
Date Created: 2019
Subjects--Topical: Bioinformatics, Biophysics, Physics
Description: Protein thermodynamics has been shown to be insightful and illuminating to the functional mechanisms behind biological function. By characterizing proteins and protein families according to their enthalpy and entropy we can make inferences to the ...

Title: ENHANCED THERMALLY MANAGED PACKAGING OF III-NITRIDE LIGHT EMITTERS
Author: Kudsieh, Nicolas
Date Created: 2014
Subjects--Topical: Physics
Description: In this Dissertation our work on `enhanced thermally managed packaging of high power semiconductor light sources for solid state lighting (SSL)' is presented. The motivation of this research and development is to design thermally high stable cost-...

Title: ESSENTIAL DYNAMICS OF PROTEINS USING GEOMETRICAL SIMULATIONS AND SUBSPACE ANALYSIS
Author: David, Charles
Date Created: 2012
Subjects--Topical: Physics, Bioinformatics, Biophysics
Description: Essential dynamics is the application of principal component analysis to a dynamic trajectory derived from a simulation protocol in order to extract biologically relevant information contained in the high dimensional data. In this work, we apply t...

Title: Enhanced Thermal Imaging a Novel Imaging Technique for Monitoring Re-Perfusion Post-Operatively
Author: McGinnis, Cobey
Date Created: 2023
Subjects--Topical: Optics, Biomedical engineering, Physics
Description: We are developing a real-time infrared imaging technique, Enhanced Thermal Imaging(ETI), that can detect blood vessels embedded in tissue and assess tissue perfusion. ETI is a combination of standard thermal imaging (8 - 10 μm) and selective heati...

Title: Evaluation of Spatial Resolution and The Non-Linearity Analysis for 3-D Metrology
Author: Jain, Swati
Date Created: 2021
Subjects--Topical: Optics, Physics
Description: Structured light systems (SLS) have become increasingly important for three-dimensional shape measurements. A quantitative evaluation of the spatial resolution is also becoming increasingly important. The spatial frequency response of the instrume...

Title: Evaluation of curved surfaces with x-ray reflectometry
Author: Cole, Jacob
Date Created: 2022
Subjects--Topical: Mechanical engineering, Physics
Description: This dissertation presents a body of work developing novel models and methods for surface evaluation with X-ray reflectometry (XRR). At the time of this work, XRR is a highly used tool for the measurement of flat wafers and laminated semiconductor...

Title: Exploiting Metamaterials: Fundamentals and Applications
Author: Karami, Morteza
Date Created: 2017
Subjects--Topical: Optics, Physics, Electromagnetism
Description: 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...

Title: Exploring The Self Assembly of Cadmium Selenide Nanoparticles In Langmuir Films
Author: Giles, Alexander
Date Created: 2013
Subjects--Topical: Materials science, Nanoscience, Physics
Description: The assembly of semiconductor nanocrystals into close packed films suitable for device engineering is critical to the development of next generation electronic and optoelectronic devices. These nanocrystals have nanometer dimensions and can be pre...

Title: Extraordinary optical transmission through multi-layered systems of corrugated metallic thin films
Author: Gbur, Greg, Gan, Choon How
Date Created: 2009
Subjects--Topical: Physics, Optics
Description: Optical transmission through multi-layered systems of corrugated metallic thin films is investigated by rigorous electromagnetic simulations based on an exact Green tensor method. Compared to a single metal slab of equivalent thickness and volume,...

Title: FABRICATION, CHARACTERIZATION, AND MODELING OF RANDOM ANTI-REFLECTIVE OPTICAL SURFACE STRUCTURES
Author: Joshi, Rajendra
Date Created: 2020
Subjects--Topical: Optics, Nanoscience, Physics
Description: RAJENDRA JOSHI. Fabrication, Characterization, and Modeling of Random Anti-reflective Optical Surface Structures. (Under the direction of DR. GREGORY J. GBUR)Optical surfaces can be fabricated to be anti-reflective (AR) by coating single- or multi...