Search results
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Title
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COMPRESSIVE IMAGING AND DUAL MOIRÉ LASER INTERFEROMETER AS METROLOGY TOOLS
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Author
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Abolbashari, Mehrdad
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Date Created
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2013
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Subjects--Topical
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Optics, Engineering
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Description
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Metrology is the science of measurement and deals with measuring different physical aspects of objects. In this research the focus has been on two basic problems that metrologists encounter. The first problem is the trade-off between the range of ...
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Title
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Complex photonic crystals for broadband "all-angle" self-collimation
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Author
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Chuang, Yi-Chen
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Date Created
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2010
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Subjects--Topical
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Optics
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Description
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Self-collimation is a dispersion property of many photonic crystals (PCs), in which light beam can propagate free of divergence in the PCs. While self-collimation is a desired property for applications related to wave guiding and light collection,...
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Title
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Effects of Edge Roughness on Optical Scattering from Periodic Microstructures
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Author
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Bergner, Brent
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Date Created
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2009
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Subjects--Topical
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Optics, Nanotechnology
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Description
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Planar photonic crystals and other microstructured surfaces have important applications in a number of emerging technologies. However, these structures can be difficult to fabricate in a consistent manner. Rapid, precise measurements of critical p...
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Title
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Enhanced electron mobility at Gd2O3(100)/Si(100) interface: origin and applications
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Author
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Sitaputra, Wattaka
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Date Created
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2012
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Subjects--Topical
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Materials science, Electrical engineering
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Description
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A growth of a gadolinium oxide (Gd2O3) layer with (100) orientation on a Si(100) substrate was obtained for the first time using molecular beam epitaxy deposition (MBE) with the growth temperature in the range of 150-200°C an...
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Title
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Exploring exciton and trap state recombination dynamics in cadmium sulfide quantum dots
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Author
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Woodall, Danielle
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Date Created
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2015
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Subjects--Topical
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Nanoscience, Chemistry, Physical and theoretical
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Description
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Colloidal semiconducting quantum dots (QDs) are ideal candidates for optoelectronic devices such as solar cells and LEDs because of their high photoluminescence (PL) quantum yields and photostability. In order to improve device efficiencies, we mu...
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Title
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FOURIER-BASED IMAGE SHARPNESS SENSOR FOR ADAPTIVE OPTICS CORRECTION
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Author
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Walker, Kristin
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Date Created
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2009
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Subjects--Topical
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Optics
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Description
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Adaptive optics reduces undesirable turbulence effects present during propagation and imaging through the atmosphere or another random medium. Within an adaptive optics system, wavefront sensing determines the incoming wavefront errors. Image shar...
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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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Index-antiguided planar waveguide lasers with large mode area
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Author
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Liu, Yuanye
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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 on-going research and application interests with high power large-mode-area (LMA) waveguide lasers, especially in fiber geometry, at the beginning of this century drive the development of many novel waveguide designs. Index antiguiding, propos...
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Title
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Infrared Photocurrent Spectroscopy Of Deep Levels In Mg-Doped GaN And AlxGa1-xN
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Author
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Batoni, Paolo
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Date Created
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2009
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Subjects--Topical
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Electrical engineering
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Description
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Recently, there is an increasing demand for III-nitride semiconductor based optoelectronic devices, and especially for ultraviolet (UV) and Deep UV sources and sensors; however, the development and the performance of such devices is fundamentally ...
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Title
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Novel Fiber Optic Tip Designs and Devices For Laser Surgery
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Author
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Hutchens, Thomas
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Date Created
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2013
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Subjects--Topical
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Optics
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Description
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Fiber optic delivery of laser energy has been used for years in various types of surgical procedures in the human body. Optical energy provides several benefits over electrical or mechanical surgery, including the ability to selectively target spe...
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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...