Search results
-
-
Title
-
OPTICAL INSTRUMENTATION USING GEOMETRIC PHASE ELEMENTS
-
Author
-
Light, Alyson
-
Date Created
-
2020
-
Subjects--Topical
-
Mechanical engineering, Optics, Engineering
-
Description
-
Traditional optical instrumentation typically requires a controlled, stable environment, and this limits systems to a laboratory setting. For in-situ metrology applications and outdoor measurements, novel methods that are compact and stable are re...
-
-
Title
-
OPTICAL METROLOGY OF FREEFORM OPTICS UTILIZING INTERFEROMETRIC STITCHING
-
Author
-
Hovis, Clark
-
Date Created
-
2019
-
Subjects--Topical
-
Mechanical engineering, Optics, Engineering
-
Description
-
The utilization of interferometric stitching with coherence scanning interferometers has allowed these instruments to measure much larger areas than a single site measurement would permit. This has a major impact on the measurement of mid-spatials...
-
-
Title
-
Optical Fiber-Based Multi-Directional Fabry-Perot Interferometry Prpbe
-
Author
-
Shabahang, Farzaneh
-
Date Created
-
2022
-
Subjects--Topical
-
Optics
-
Description
-
The motivation of this thesis is to create an optical probe for the measurement of surfaces in confined spaces. This thesis presents design and operation of an optical fiber-based probe to measure a surface profile or relative displacement of exte...
-
-
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
-
Optical Vortices and Coherence in Nano-optics
-
Author
-
Smith, Matt
-
Date Created
-
2019
-
Subjects--Topical
-
Optics, Nanoscience, Nanotechnology
-
Description
-
In this dissertation, we use theory and computation to conduct three projects in the area of nano-optics. In the first project, we study optical coherence conversion using a plasmonic hole array. This work led to the discovery of the optical coher...
-
-
Title
-
Optical super-resolution and periodical focusing effects by dielectric microspheres
-
Author
-
Darafsheh, Arash
-
Date Created
-
2013
-
Subjects--Topical
-
Optics, Physics, Biomedical engineering
-
Description
-
Optical microscopy is one of the oldest and most important imaging techniques; however, its far-field resolution is diffraction-limited. In this dissertation, we proposed and developed a novel method of optical microscopy with super-resolution by ...
-
-
Title
-
Optical surface characterization with the structure function
-
Author
-
He, Liangyu
-
Date Created
-
2013
-
Subjects--Topical
-
Mechanical engineering, Optics
-
Description
-
It is important to characterize surface and transmitted wavefront errors in terms of the spatial content. The errors are typically analyzed in three spatial domains: figure, ripple (or mid-spatial frequency) and roughness. These errors can affect ...
-
-
Title
-
Optically Projected Length Scale for Use in Photogrammetry
-
Author
-
Thewlis, Patrick
-
Date Created
-
2020
-
Subjects--Topical
-
Optics, Physics
-
Description
-
Photogrammetry is a measurement technique where 3D coordinate data and feature information can be extracted from 2D photographs or images. Length scale objects are calibrated artifacts placed into a photogrammetry scene which have precisely define...
-
-
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
-
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
-
POLYDYNE DISPLACEMENT INTERFEROMETER USING FREQUENCY-MODULATED LIGHT
-
Author
-
Arablu, Masoud
-
Date Created
-
2019
-
Subjects--Topical
-
Mechanical engineering, Electrical engineering, Optics
-
Description
-
A novel multi-frequency (polydyne) optical interferometry method is introduced and a prototype developed to evaluate its performance in a Michelson displacement interferometer configuration. The polydyne interferometer contains three main parts of...
-
-
Title
-
POSITIONING SENSOR BY COMBINING OPTICAL PROJECTION AND PHOTOGRAMMETRY
-
Author
-
Zheng, Benrui
-
Date Created
-
2014
-
Subjects--Topical
-
Optics, Engineering, Remote sensing
-
Description
-
Six spatial parameters, (x, y, z) for translation, and pitch, roll, and yaw for rotation, are used to describe the 3-dimensional position and orientation of a rigid body - the 6 degrees of freedom (DOF). The ability to measure these parameters is ...
-
-
Title
-
Partially coherent radially polarized fractional vortex beam
-
Author
-
Gbur, Greg, Zeng, Jun, Liang, Chunhao, Cai, Yangjian
-
Date Created
-
2020
-
Subjects--Topical
-
Physics, Optics
-
Description
-
A new kind of partially coherent vector beam, named a partially coherent radially polarized fractional vortex (PCRPFV) beam, is introduced as a natural extension of the recently introduced scalar partially coherent fractional vortex beams [Zeng et...
-
-
Title
-
Propagation of radially polarized Hermite non-uniformly correlated beams in a turbulent atmosphere
-
Author
-
Gbur, Greg, Yu, Jiayi, Cai, Yangjian, Lin, Rong
-
Date Created
-
2020
-
Subjects--Topical
-
Physics, Optics
-
Description
-
We study the propagation properties of a recently introduced class of structured beams, radially polarized Hermite non-uniformly correlated (RPHNUC) beams, in a turbulent atmosphere using the extended Huygens-Fresnel integral and investigate how t...
-
-
Title
-
Propagation properties of Hermite non-uniformly correlated beams in turbulence
-
Author
-
Gbur, Greg, Yu, Jiayi
-
Date Created
-
2018
-
Subjects--Topical
-
Physics, Optics
-
Description
-
We study the propagation properties (intensity, degree of coherence and scintillation) of a new class of beams in a turbulent atmosphere, which are called Hermite non-uniformly correlated (HNUC) beams. The results show that the beams not only have...
-
-
Title
-
RED FLUORESCENCE IN BOVINE SERUM ALBUMIN – GOLD COMPLEXES
-
Author
-
Dixon, Jacob
-
Date Created
-
2019
-
Subjects--Topical
-
Optics, Physics
-
Description
-
Bovine serum albumin (BSA)-gold (Au) complexes have been studied in great detail due to their unique red fluorescent (λem = 640 nm) properties, since being initially described by Xie et al. (J. Am. Chem. Soc. 2009, 131, 888-889) as a Au25 nanoclus...
-
-
Title
-
REGULATION OF ACTOMYOSIN ATPASE
-
Author
-
Ge, Jinghua
-
Date Created
-
2016
-
Subjects--Topical
-
Optics, Physics, Biophysics
-
Description
-
Myosin is a molecular motor that converts chemical energy to mechanical energy, thus generating force and movement in muscles and cells. Myosin interacts with two ligands, ATP (fuel) and actin filaments (motor’s tracks). Actomyosin interaction is ...
