Search results | J. Murrey Atkins Library

Title: WAVEGUIDE, PHOTODETECTOR, AND IMAGING APPLICATIONS OF MICROSPHERICAL PHOTONICS
Author: Allen, Kenneth
Date Created: 2014
Subjects--Topical: Optics, Engineering, Physics
Description: Dielectric microspheres with diameters (D) on the order of several wavelengths of light have attracted increasing attention from the photonics community due to their ability to produce extraordinarily tightly focused beams termed "photonic nanojet...

Title: Volume Microenvironment Self-Consistent Constraint Theory Applied to Protein Stability Prediction
Author: Johannessen, Nicholas
Date Created: 2021
Subjects--Topical: Biophysics, Physics
Description: Controlling thermodynamic stability is a challenge in protein engineering. Engineering a protein by introducing mutations into its sequence to increase efficacy can destabilize the protein thermodynamically, preventing it from functioning in its i...

Title: The evolution of spectral intensity and orbital angular momentum of twisted Hermite Gaussian Schell model beams in turbulence
Author: Gbur, Greg, Yu, Jiayi, Cai, Yangjian, Lin, Rong
Date Created: 2020
Subjects--Topical: Physics, Optics
Description: We introduce a new class of twisted partially coherent beams with a non-unifirm correlation structure. These beams, called twisted Hermite Gaussian Schell model (THGSM) beams, have a correlation structure related to Hermite functions and a twist f...

Title: The Application of Light-Assisted Drying to the Thermal Stabilization of Nucleic Acid Nanoparticles
Author: Lam, Phuong Anh
Date Created: 2021
Subjects--Topical: Physics
Description: Cold storage can be challenging and expensive for the transportation and storage of biologics. We are developing a new processing technique, light-assisted drying (LAD), to prepare biologics for anhydrous storage in a trehalose amorphous solid mat...

Title: THERMODYNAMIC AND MECHANICAL EFFECTS OF DISULFIDE BONDS IN CXCL7 CHEMOKINE
Author: Singer, Christopher
Date Created: 2015
Subjects--Topical: Physics, Bioinformatics, Biophysics
Description: Chemokines are a family of signaling proteins mainly responsible for the chemotaxis of leukocytes, where their biological activity is modulated by their oligomerization state. Here, the dynamics and thermodynamic stability are characterized in mon...

Title: THEORY, CHARACTERIZATION AND APPLICATIONS OF INFRARED HYPERBOLIC METAMATERIALS
Author: Fullager, Daniel
Date Created: 2017
Subjects--Topical: Materials science, Engineering, Physics
Description: ABSTRACTDANIEL B. FULLAGER. Theory, characterization and applications of infraredhyperbolic metamaterials. (Under the direction of DR. MICHAEL A. FIDDY)Hyperbolic Metamaterials (HMMs) are engineered structures capable of supporting lightmatterinte...

Title: Surface Scatter of Antireflective Nanostructured Dielectric Interfaces
Author: Gonzalez, David
Date Created: 2023
Subjects--Topical: Optics, Physics, Engineering
Description: Anti-reflective nanostructured surfaces (ARSS) enhance optical transmission through suppression of Fresnel reflection at boundaries between layered media by creating a gradually increasing ratio of material to air volume fraction. Previous studies...

Title: Supervised Projective Learning for Electroencephalography Analysis
Author: Grear, Tyler
Date Created: 2021
Subjects--Topical: Physics
Description: The brain-computer interface has emerged as a promising field of research with the capacity to significantly transform multiple technological sectors. The imagining of limb movement known as motor imagery (MI) serves as an auspicious paradigm for ...

Title: Strategies for employing surface plasmons in near-field optical readout systems
Author: Gbur, Greg, Gan, Choon How
Date Created: 2006
Subjects--Topical: Physics, Optics
Description: The enhanced transmission of light through subwavelength-size holes in a metal plate is well-known to be associated with surface plasmons. We have undertaken a systematic theoretical study of several strategies for applying these plasmon effects i...

Title: Spiral spectrum of a Laguerre-Gaussian beam propagating in anisotropic non-Kolmogorov turbulent atmosphere along horizontal path
Author: Gbur, Greg, Zeng, Jun, Liu, Xianlong, Cai, Yangjian
Date Created: 2019
Subjects--Topical: Physics, Optics
Description: Close to the ground, it is generally known that atmospheric turbulence exhibits strong anisotropy, which affects the performance of applications such as free-space optical (FSO) communication. In this paper, we establish a theoretical model for ca...

Title: Spectral theory of the Schrodinger operator on general graphs
Author: Zheng, Lukun
Date Created: 2015
Subjects--Topical: Mathematics, Physics
Description: The goal of this dissertation is to give the sufficient conditions for the absence of a.c.spectrum or existence of the pure point (p.p.) spectrum for the deterministic or random Schrodinger operators on the general graphs. For the particular situa...

Title: Spatially Resolved Photoluminescence Lifetime Mapping in the Vicinity of Extended Defects in Semiconductors Using a Time Correlated Single Photon Counting System and Confocal Photoluminescence Microscopy
Author: Mode, Timothy
Date Created: 2016
Subjects--Topical: Optics, Physics
Description: Photoluminescence mapping and time resolved photoluminescence imaging have previously been used to study charge carrier dynamics in bulk semiconductors. Recently, our research group has used spatially resolved PL mapping to examine and model carri...

Title: Single-shot Quantitative Phase Microscopy in a Common-path Configuration
Author: Norton, Brandon
Date Created: 2023
Subjects--Topical: Optics, Physics
Description: Quantitative Phase Microscopy (QPM) is a technique frequently used in microscopy togather information about transparent objects that provide a phase shift relative to their background. We propose a technique that employs a liquid crystal in a comm...

Title: Simulating fields of arbitrary spatial and temporal coherence
Author: Gbur, Greg
Date Created: 2006
Subjects--Topical: Physics, Optics
Description: Optical coherence theory typically deals with the average properties of randomly fluctuating fields. However, in some circumstances the averaging process can mask important physical aspects of the field propagation. We derive a new method of simul...

Title: Second- order statistical properties of conjugate mode double-H partially coherent beams in turbulence
Author: Gbur, Greg, Yu, Jiayi, Cai, Yangjian, Lin, Rong
Date Created: 2021
Subjects--Topical: Physics, Optics
Description: We present an analysis of the propagation properties of a recently introduced class of conjugate mode partially coherent beams (called double-H beams) in a turbulent atmosphere using the extended Huygens-Fresnel integral. We investigate how the ph...

Title: Scintillation properties of a partially coherent vector beam with vortex phase in turbulent atmosphere
Author: Gbur, Greg, Yu, Jiayi, Cai, Yangjian, Huang, Yan
Date Created: 2019
Subjects--Topical: Physics, Optics
Description: We undertake a computational and experimental study of an advanced class of structured beams, partially coherent radially polarized vortex (PCRPV) beams, on propagation through atmospheric turbulence. A computational propagation model is establish...

Title: STRUCTURED OPTICAL MATERIALS FABRICATED USING TWO-PHOTON POLYMERIZATION
Author: Li, Yanzeng
Date Created: 2020
Subjects--Topical: Materials science, Optics, Physics
Description: Artificially structured materials, which are treated as macroscopically homogeneous media, exhibit effective optical properties that can be altered by engineering the materials' intrinsic geometries at a scale much smaller than the probing electro...

Title: STRUCTURAL AND FUNCTIONAL ANALYSIS OF THE H19Y MUTATED PRIMARY DNA RECOGNITION SUBDOMAIN OF SLEEPING BEAUTY TRANSPOSASE
Author: Leighton, Gage
Date Created: 2017
Subjects--Topical: Physics, Chemistry, Physical and theoretical, Biophysics
Description: The Sleeping Beauty transposon system, consisting of the transposon DNA and the transposase enzyme, is a member of the Tc1/mariner family of DNA transposons. Although it is an important tool in genetic applications and has been adapted for human g...

Title: Rectangular Hermite non-uniformly correlated beams and its propagation properties
Author: Gbur, Greg, Yu, Jiayi, Cai, Yangjian
Date Created: 2018
Subjects--Topical: Physics, Optics
Description: We introduce a new class of non-uniformly correlated beams that are called rectangular Hermite non-uniformly correlated (RHNUC) beams, which possess rectangular symmetry in their degree of coherence. It is shown that, in free space and in turbulen...

Title: RESOLUTION ANALYSIS OF FILMS WITH EMBEDDED SPHERES FOR IMAGING OF NANOPLASMONIC ARRAYS
Author: Farahi, Navid
Date Created: 2015
Subjects--Topical: Optics, Physics
Description: With the advent of microsphere assisted microscopy in 2011, this technique emerged as a simple and easy way to obtain optical super-resolution. Although the possible mechanisms of imaging by microspheres are debated in the literature, most of the ...