Now showing items 21-30 of 74
Coherent Spatial and Temporal Combining of Femtosecond Fiber Lasers at the Storage Energy Limit Enabling High-Power Drivers of Laser-Plasma Accelerators and Other Secondary Radiation Sources
(2023)
This work demonstrates, for the first time, simultaneous operation of coherent beam combining (CBC) and temporal combining at the amplifier saturation limit. The techniques described and implemented in this thesis will ...
Deterministic-Kinetic Computational Analyses of Expansion Flows and Current-Carrying Plasmas
(2021)
Spacecraft electric propulsion (EP) takes advantage of the ability of electric and magnetic fields to accelerate plasmas to high velocities to generate efficient thrust. The thermionic hollow cathode is a critical component ...
Understanding the Optical and Photophysical Properties of Organic and Hybrid Macromolecules and Polymers for Solar Cell Application
(2021)
Organic solar cell materials represent a better sustainable alternative relative to inorganic materials in terms of lower cost, ease of large-scale processing, better absorptivity, ease of tunability, and unique flexibility ...
Continuum-Scale Modeling of Rechargeable Batteries
(2020)
During the operation of a rechargeable battery, the electrochemical reactions occur at the interface between the electrolyte and the active material in the electrode. The electrochemical performance of such batteries is ...
Growth, Characterization and Assembly of Lead Chalcogenide Nanosemiconductors for Ionizing Radiation Sensors
(2022)
The demand for precise and efficient nuclear radiation detection has increased dramatically, particularly in numerous scientific disciplines, as well as homeland security and medical imaging applications. Modern methods ...
Novel Low-Cost Scalable Nanofabrication Technologies by Soft Lithography, Plasmonic Lithography, and Electrochemical Processes
(2021)
As wide variety of devices such as optical devices, wearable devices, and color filters have become more common, the demand for technologies which can fabricate these devices at a low cost is at an all-time high. ...
Quantum Inspired Machine Learning Algorithms for Adaptive Radiotherapy
(2021)
Adaptive radiotherapy (ART) refers to the modification of radiotherapy treatment plans in response to patient anatomical and physiological changes over the course of treatment and has been recognized as an important step ...
Numerical Studies of Wave Turbulence in Finite Domains
(2023)
Nonlinear wave systems are ubiquitous in nature, and when many incoherent dispersive waves interact, there is the potential for wave turbulence (WT). Just as in flow turbulence, systems in WT exhibit inter-scale energy ...
Fundamental and Applied Electrochemistry for Photonic Applications
(2020)
Photonic devices that selectively transmit or reflect light are highly desirable in a wide variety of applications, including energy harvesting, aesthetic decorations and optical displays. However, most of these high ...
Femtosecond Laser Pulses and Thin Metallic Films: Mixing in the Vapor Dome and the Solid State
(2023)
This thesis covers the different mechanisms for mixing thin films with ultrashort laser pulses and refining the techniques for use in morphologically- and heat-sensitive applications. The irradiating fluence accesses ...