Search results
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Title
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Displacement Scale Based on Speckles
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Author
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Farsad, Mahsa
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Date Created
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2015
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Subjects--Topical
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Mechanical engineering, Optics
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Description
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Speckle patterns are complex intensity distributions, which occur when an optically rough surface is illuminated with a coherent light. The speckle phenomenon was known to be troublesome when the laser was first introduced, but later it was discov...
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Title
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REGULATION OF ACTOMYOSIN ATPASE
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Author
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Ge, Jinghua
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Date Created
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2016
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Subjects--Topical
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Optics, Physics, Biophysics
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Description
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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 ...
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Title
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Exploring The Self Assembly of Cadmium Selenide Nanoparticles In Langmuir Films
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Author
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Giles, Alexander
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Date Created
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2013
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Subjects--Topical
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Materials science, Nanoscience, Physics
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Description
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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...
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Title
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DEVELOPMENT OF EXPERIMENTAL FACILITIES FOR INVESTIGATIONS OF VORTEX MACHINING
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Author
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Howard, Stephen
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Date Created
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2014
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Subjects--Topical
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Mechanical engineering
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Description
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This dissertation presents work done in investigation of a novel polishing process called Vortex Machining. Vortex Machining uses an oscillating probe to induce vortices in a polishing slurry above a workpiece, thereby removing material in regions...
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Title
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FUNCTIONAL NUCLEIC ACID NANOPARTICLES AND THEIR DELIVERY
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Author
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Ke, Weina
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Date Created
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2020
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Subjects--Topical
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Biochemistry, Cytology
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Description
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Nucleic acid biopolymers are essential to all living organisms. The chemical makeup of deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) consist of sequences of only four monomers. However, they transmit and express genetic information for va...
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Title
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A SINGLE-PIXEL HYPERSPECTRAL IMAGING SYSTEM FOR CANCER MARGIN DETECTION
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Author
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Peller, Joseph
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Date Created
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2018
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Subjects--Topical
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Optics, Physics
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Description
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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...
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Title
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LOW UNCERTAINTY SURFACE AREA MEASUREMENT USING DEFLECTOMETRY
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Author
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Pouya Fard, Ali
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Date Created
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2018
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Subjects--Topical
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Optics, Engineering, Metaphysics
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Description
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Deflectometry has been introduced as a viable alternative to interferometric measurement of specular freeform optical surfaces. Deflectometry measurements show high repeatability; however, due to the errors remaining after the calibration and data...
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Title
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Space Variant Guided Mode Resonant Filters
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Author
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Roth, Zachary
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Date Created
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2012
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Subjects--Topical
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Optics, Engineering, Nanoscience
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Description
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Guided mode resonance filters (GMRF) combine subwavelength gratings and planar slab waveguides to create highly efficient, narrow linewidth spectral filters. Resonances between diffracted orders of the SWG and the waveguide provide the mechanism f...
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Title
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PLASMONIC NANOLITHOGRAPHY MACHINE (PLM)
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Author
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Saad, Mohamed
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Date Created
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2013
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Subjects--Topical
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Mechanical engineering
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Description
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The Plasmonic Nanolithography Machine (PLM) is a prototype that adopts near field maskless plasmonic nanolithography to achieve 45 nm line widths at 45 nm half pitch. A plasmonic lens floating on a hydrodynamic air bearing rides on a disc with abo...
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Title
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An Evaluation of Teaching Methods in the Introductory Physics Classroom
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Author
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Savage, Lauren
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Date Created
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2015
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Subjects--Topical
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Education, Physics, Educational evaluation
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Description
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The introductory physics mechanics course at the University of North Carolina at Charlotte has a history of relatively high DFW rates. In 2011, the course was redesigned from the traditional lecture format to the inverted classroom format (flipped...
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Title
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ABSOLUTE DISTANCE (THICKNESS) METROLOGY USING WAVELENGTH SCANNING INTERFEROMETRY
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Author
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Suratkar, Amit
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Date Created
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2009
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Subjects--Topical
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Optics, Optical engineering, Metrology
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Description
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Wavelength scanning interferometry offers a new dimension in precision metrology by measuring the cavity length (thickness), the cavity length variation over the cavity area (flatness), and the optical homogeneity within a transparent cavity; with...
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Title
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Optical Stimulation of the Prostate Nerves: A Potential Diagnostic Technique
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Author
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Tozburun, Serhat
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Date Created
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2012
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Subjects--Topical
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Optics
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Description
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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...
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Title
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IMPROVED MEASUREMENT METHODS FOR IN-PROCESS METROLOGY ON LARGE-SCALE COMPONENTS
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Author
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Valdez, Lucas
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Date Created
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2015
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Subjects--Topical
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Mechanical engineering
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Description
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Manufacturing processes have inherent errors during machining and in-process metrology is used to determine and correct for these manufacturing errors. In this research, the determination of size (diameter) and form error (surface profile) of larg...
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Title
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THEORY AND NUMERICAL ANALYSIS OF INDEX-ANTIGUIDED WAVEGUIDE LASERS
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Author
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Wang, Chaofan
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Date Created
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2017
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Subjects--Topical
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Optics
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Description
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Index-antiguided (IAG) waveguide is promising for high-power application due to simple step-index structure and the property to introduce higher waveguide loss for higher-order-modes (HOMs). The loss ratio between fundamental mode (FM) and 1st HOM...
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Title
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EXTERNAL WAVELENGTH STABILIZATION OF GRATING COUPLED SURFACE EMITTING LASERS AND APPLICATIONS
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Author
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Yilmaz, Yigit
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Date Created
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2012
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Subjects--Topical
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Electrical engineering, Optics, Electromagnetism
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Description
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In this dissertation, we explore a semiconductor optical device configuration based on non-resonant diffraction grating coupler. These devices are coupled with monolithic and external wavelength selection elements to form the resonant cavity lasin...
