Search results
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Title
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PERFORMANCE AND SPECIFICATION OF OPTICAL COMPONENTS WITH MID-SPATIAL FREQUENCY SURFACE ERRORS
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Author
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Aryan, Hamidreza
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Date Created
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2019
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Subjects--Topical
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Mechanical engineering, Optics, Engineering
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Description
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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....
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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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DYNAMIC RANGE ENHANCMENT IN DIGITAL FRINGE PROJECTION AND LASER INTERFEROMETRY
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Author
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Babaie, Gelareh
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Date Created
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2015
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Subjects--Topical
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Optics, Engineering, Meteorology
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Description
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GELAREH BABAIE. Dynamic range enhancement in digital fringe projection and laser interferometry. (Under the direction of DR. FARAMARZ FARAHI)Optical metrology is the science and technology concerning measurements with light. Surface texture and 3D...
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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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Dynamic Illumination Systems using Freeform Optics
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Author
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shadalou, shohreh
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Date Created
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2022
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Subjects--Topical
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Optics
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Description
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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...
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Title
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Calibrating slope-dependent errors in profilometry
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Author
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Zhou, Yue
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Date Created
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2014
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Subjects--Topical
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Mechanical engineering, Optics
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Description
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Optical profilometers, such as scanning white light interferometers and confocal microscopes, provide high resolution measurements and are widely utilized in many fields for measuring surface topography. The techniques are capable of high-speed su...
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Title
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A COMPUTATIONAL SPECTRAL IMAGING TECHNIQUE AND ITS APPLICATION IN FORM METROLOGY
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Author
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Habibi, Nasim
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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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Many existing systems for three-dimensional (3D) shape measurement require mechanical moving parts that limit the measurement speed. A non-contact optical system that does not requires any moving parts can, in principle, increase the speed of meas...
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Title
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3D Printing of Metamaterials with Conductive Elements
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Author
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Tuttle, Geoffrey
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Date Created
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2016
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Subjects--Topical
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Materials science
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Description
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To fulfill their engineered purpose, resonant metamaterials require arrays of complex three-dimensional geometries composed of non-conductive dielectrics and highly conductive materials. In order to create these geometries, 3D printers must be abl...
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Title
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Absolute Surface Reconstruction by Slope Metrology and Photogrammetry
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Author
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Dong, Yue
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Date Created
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2014
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Subjects--Topical
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Optics
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Description
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Developing the manufacture of aspheric and freeform optical elements requires an advanced metrology method which is capable of inspecting these elements with arbitrary freeform surfaces. In this dissertation, a new surface measurement scheme is in...
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Title
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ENHANCED THERMALLY MANAGED PACKAGING OF III-NITRIDE LIGHT EMITTERS
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Author
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Kudsieh, Nicolas
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Date Created
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2014
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Subjects--Topical
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Physics
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Description
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In this Dissertation our work on `enhanced thermally managed packaging of high power semiconductor light sources for solid state lighting (SSL)' is presented. The motivation of this research and development is to design thermally high stable cost-...
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Title
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From Nonradiating Sources to Directionally Invisible Objects
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Author
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Hurwitz, Elisa
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Date Created
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2017
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Subjects--Topical
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Optics, Physics
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Description
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The goal of this dissertation is to extend the understanding of invisible objects, in particular nonradiating sources and directional nonscattering scatterers. First, variations of null-field nonradiating sources are derived from Maxwell's equatio...
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Title
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MANAGEMENT OF OPTICAL ABSORPTION IN PLASMONIC METAMATERIALS
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Author
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Alisafaee, Hossein
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Date Created
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2015
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Subjects--Topical
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Electromagnetism
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Description
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In this dissertation, the main focus has been on the manipulation of optical absorption. That is to either decrease the unwanted losses or increase the desired absorption for specific applications. The approaches have been chosen to provide insigh...
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Title
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Minimizing Task-Specific Uncertainty in CMM-Based Freeform Optics Metrology
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Author
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Uwakwe, Michael
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Date Created
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2018
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Subjects--Topical
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Mechanical engineering, Optics, Metrology
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Description
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Measurements of surface form involve a comparison between the form of the test surface and a reference. In coordinate measuring machine (CMM) measurements, this reference is the machine geometry. The measurement results typically show a height map...
