Search results | J. Murrey Atkins Library

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...

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

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 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...

Title: Specification and Modeling of Mid-Spatial Frequency Errors in Optical Systems
Author: DeMars, Luke
Date Created: 2023
Subjects--Topical: Optics
Description: Recent advancements in manufacturing and post-processing of optics with sub-aperture methods have enabled greater degrees of freedom to realize complex optical surfaces. Introduction of residual mid-spatial frequency (MSF) surface errors is a cons...

Title: Superlens imaging and light concentration in mesoscale photonics: design and implementation
Author: Jin, Boya
Date Created: 2022
Subjects--Topical: Optics
Description: Progress in nanofabrication made possible development of metamaterials and nanoplamonics two decades ago. The area of mesoscale photonics where the characteristic dimensions of spherical, pyramidal or other building blocks are on the order of seve...

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: 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: Terahertz optical properties of metamaterials and optical components fabricated using polymer-based additive manufacturing
Author: Park, Serang
Date Created: 2021
Subjects--Topical: Optics
Description: Continuous advancement in terahertz technologies have drawn interest in manufacturing and rapid prototyping of optical components suitable for the terahertz spectral range. One of the approaches of realizing such optical components is additive man...

Title: Variable extended depth of field imaging using freeform optics
Author: Moein, Sara
Date Created: 2022
Subjects--Topical: Optics
Description: Recent advancements in design, manufacturing, and metrology have enabled broader use of freeform components for high-performing optical systems. Freeform optics, which lack rotational symmetry, provide additional design freedoms that can enable co...