Search results | J. Murrey Atkins Library

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 Broadband Optical Functionality of Freeform Optics
Author: Koerber, Jonathan
Date Created: 2022
Subjects--Topical: Optics
Description: Freeform optics, broadly described as optical elements with at least one surface lacking translational or rotational symmetry, have seen increased interest due to recent advances in optical design, fabrication, and measurement. Freeform optics pro...

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: Development of an Adaptive X-ray Research Facility and a Direct Bonded Silicon Reference Object for Computed Tomography
Author: Thousand, Jeffery
Date Created: 2019
Subjects--Topical: Mechanical engineering
Description: Our ability to harness the power of X-ray radiation has led to many important scientific discoveries. Two common applications for X-rays are crystallography and imaging through objects (tomography). Facility design is a critical component in optim...

Title: Dynamic Illumination Systems using Freeform Optics
Author: shadalou, shohreh
Date Created: 2022
Subjects--Topical: Optics
Description: Illumination systems that can create light patterns of varying sizes or shapes with high efficiency and uniformity are advantageous for a range of applications, including lighting, augmented/virtual reality, laser-based manufacturing, medicine/der...

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: 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...

Title: FOCUSING, IMAGING AND RESONACE PROPERTIES OF MICROPHOTONICS STRUCTURES AND DEVICES
Author: Abolmaali, Farzaneh
Date Created: 2018
Subjects--Topical: Optics
Description: Structures and devices built using microspherical building blocks attract significant attention in recent years due to an extraordinary high-quality factor (Q>106) of whispering gallery modes in dielectric microspheres and due to their ability to ...

Title: LIGHT-ASSISTED DRYING (LAD) FOR THE STABILIZATION OF PROTEINS IN AMORPHOUS TREHALOSE
Author: Young, Madison
Date Created: 2018
Subjects--Topical: Optics
Description: We have developed a new processing method, light-assisted drying (LAD), to create an amorphous trehalose matrix for the stabilization and storage of proteins. A challenge in the development of protein-based assays and therapeutics is preserving th...

Title: Metasurfaces for Field Control and Detection
Author: Rosenbury, Christopher
Date Created: 2018
Subjects--Topical: Optics, Nanoscience, Physics
Description: Metasurfaces have been of increasing interest in the scientific community due to their consistent ability to efficiently reproduce traditional optical elements via quasi-monolithic patterning. In this dissertation I will examine various metasurfac...

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...

$Numerical and Optical Performance Characterization of Random Antireflective Surface Structures on Diffractive Optical Elements$

Title: Numerical and Optical Performance Characterization of Random Antireflective Surface Structures on Diffractive Optical Elements
Author: Gadamsetti, Praneeth
Date Created: 2023
Subjects--Topical: Optics
Description: Antireflective structured surfaces (ARSS) are periodic, or random, distributions of three-dimensional nano-features fabricated directly on optical quality substrates, for the suppression of surface reflectivity from the dielectric boundary. Within...

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 PERFORMANCE OF RANDOM ANTIREFLECTION STRUCTURED SURFACES ON OPTICAL FLATS AND DIFFRACTIVE COMPONENTS
Author: KUNALA, KARTEEK
Date Created: 2018
Subjects--Topical: Optics
Description: Random anti-reflection surface structures (rARSS) are non-periodic, densely packed, sub-wavelength structures, fabricated on an optical surface. Light incident to such a boundary propagates from superstrate to substrate through a gradient effectiv...

Title: Optical performance of random anti-reflection structured surfaces (rARSS) on spherical lenses
Author: Taylor, Courtney
Date Created: 2016
Subjects--Topical: Optics
Description: Random anti-reflection structured surfaces (rARSS) have been reported to improve transmittance of optical-grade fused silica planar substrates to values greater than 99%. These textures are fabricated directly on the substrates using reactive-ion/...

Title: PERFORMANCE AND SPECIFICATION OF OPTICAL COMPONENTS WITH MID-SPATIAL FREQUENCY SURFACE ERRORS
Author: Aryan, Hamidreza
Date Created: 2019
Subjects--Topical: Mechanical engineering, Optics, Engineering
Description: The advent of sub-aperture computer-numerically controlled (CNC) manufacturing techniques has enabled new opportunities for high-performance optical components and systems. Freeform and other challenging designs are now possible like never before....

Title: SELECTIVE HEATING OF VASCULAR STRUCTURES TO CREATE CONTRAST IN MEDICAL MID-IR IMAGES
Author: Case, Jason
Date Created: 2015
Subjects--Topical: Optics, Diagnostic imaging
Description: The goal of this study is to develop an enhanced mid-IR imaging modality for mapping vascular structures. This imaging technique is intended for real-time use by medical professionals during surgical procedures such as tumor removal and vascular m...

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...

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...