Browsing by Subject "Optics"
Now showing items 1-20 of 84
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A Compact Cryogenic Package Approach to Ion Trap Quantum Computing
(2022)Ion traps are a leading candidate for scaling quantum computers. The component technologies can be difficult to integrate and manufacture. Experimental systems are also subject to mechanical drift creating a large maintenance ... -
Actively Tunable Plasmonic Nanostructures
(2020)Active plasmonic nanostructures with tunable resonances promise to enable smart materials with multiple functionalities, on-chip spectral-based imaging and low-power optoelectronic devices. A variety of tunable materials ... -
Adaptive Optics in Multiphoton Microscopy
(2017)Any type of microscopy faces the problem in an attenuated signal level and reduced optical resolution due to optical aberration. To overcome this problem, adaptive optics was implemented in a two-photon fluorescence microscope. ... -
Advanced Applications of 3D Dosimetry and 3D Printing in Radiation Therapy
(2016)As complex radiotherapy techniques become more readily-practiced, comprehensive 3D dosimetry is a growing necessity for advanced quality assurance. However, clinical implementation has been impeded by a wide variety of ... -
Analysis of High-Temperature Solar Selective Coating
(2018)Abundant and widely available solar energy is one possible solution to the increasing demands for clean energy. The Thermodynamics and Sustainable Energy Laboratory (T-SEL) in Duke University has been dedicated to investigating ... -
Bounding the outcome of a two-photon interference measurement using weak coherent states
(OPTICS LETTERS, 2018-08-15) -
Clinical Detection of Dysplasia Using Angle-Resolved Low Coherence Interferometry
(2011)Cancer is now the leading cause of death in developed countries. Despite advances in strategies aimed at the prevention and treatment of the disease, early detection of precancerous growths remains the most effective method ... -
Coding Strategies and Implementations of Compressive Sensing
(2016)This dissertation studies the coding strategies of computational imaging to overcome the limitation of conventional sensing techniques. The information capacity of conventional sensing is limited by the physical properties ... -
Coherence in Dynamic Metasurface Aperture Microwave Imaging Systems
(2020)Microwave imaging systems often utilize electrically large arrays for remote characterization of spatial and spectral content. Image reconstruction involves computational processing, the success of which depends on adequate ... -
Collective light-matter interactions via emergent order in cold atoms
(2012)Collective behavior in many-body systems, where the dynamics of an individual element depend on the state of the entire ensemble, play an important role in both basic science research and applied technologies. Over the ... -
Computational 3D Optical Imaging Using Wavevector Diversity
(2021)The explosion in the popularity and success of deep learning in the past decade has accelerated the development of computationally efficient, GPU-accelerated frameworks, such as TensorFlow and PyTorch, for rapid prototyping ... -
Computational Optical Imaging Systems for Spectroscopy and Wide Field-of-View Gigapixel Photography
(2013)This dissertation explores computational optical imaging methods to circumvent the physical limitations of classical sensing. An ideal imaging system would maximize resolution in time, spectral bandwidth, three-dimensional ... -
Control of Optical Processes in Diamond using Plasmonic Nanogap Cavities
(2022)Solid-state quantum emitters embedded in carefully engineered nanostructures could enable a new generation of quantum information and sensing technologies, including networked processors for quantum computing and precise ... -
Control of Surface Plasmon Substrates and Analysis of Near field Structure
(2011)The electromagnetic properties of various plasmonic nanostructures are investigated. These nanostructures, which include random clusters, controlled clusters and particle-film hybrids are applied to surface-enhanced Raman ... -
Decoy-state quantum key distribution with nonclassical light generated in a one-dimensional waveguide.
(Optics letters, 2013-03)We investigate a decoy-state quantum key distribution (QKD) scheme with a sub-Poissonian single-photon source, which is generated on demand by scattering a coherent state off a two-level system in a one-dimensional waveguide. ... -
Design, Analysis, And Characterization Of Metamaterial Quasi-Optical Components For Millimeter-Wave Automotive Radar
(2013)Since their introduction by Mercedes Benz in the late 1990s, W-band radars operating at 76-77 GHz have found their way into more and more passenger cars. These automotive radars are typically used in adaptive cruise control, ... -
Design, Characterization, and Evaluation of a Surface Plasmon Resonance Sensor
(2012)Characterization of thin films, prominently including self-assembled monolayers is important to the understanding of interfacial events in both biological and manufactured systems. To facilitate such work, a surface plasmon ... -
Development of a Wide Field Diffuse Reflectance Spectral Imaging System for Breast Tumor Margin Assessment
(2012)Breast conserving surgery (BCS) is a common treatment option for breast cancer patients. The goal of BCS is to remove the entire tumor from the breast while preserving as much normal tissue as possible for a better cosmetic ... -
Development of acoustofluidic scanning nanoscope
(2022)The largest obstacle in nanoscale microscopy is the diffraction limit. Although several means of achieving sub-diffraction resolution exist, they all have shortcomings such as cost, complexity, and processing time, which ... -
Development of Clinically Translatable Technologies for Optical Image-Guided Breast Tumor Removal Surgery
(2014)The rate of occurrence and number of deaths associated with cancer continues to climb each year despite the continual efforts to battle the disease. When given a cancer diagnosis, it is particularly demoralizing and devastating ...
