Pulsed Power Scientist @ Currently an experimental physicist with the Radiation & Fusion Experiments Department, focusing on plasma physics activities at the Sandia Z Accelerator: the world's largest pulsed power device. This accelerator is a national R&D facility and is the flagship pulsed power experiment in the United States. Serving as a principle investigator on pulsed power ICF and bright x-ray radiation effects platforms. Led circuit modeling / theory efforts related to the design of various pulsed power systems including pulse forming networks (PFNs), pulse transformers, and capacitive discharge pulsers. Developed an ion time-of-flight system, including accelerator diode and RF cavity design, for characterization studies of pulsed ion sources. Experience with various high power electromagnetics principles (magnetically insulated power flow, electron reflex physics, high energy switching, electrical breakdown, etc.) used in the design of TW-class pulsed power generators. Experience with plasma / x-ray diagnostics development for a variety of experimental efforts ranging from vacuum arc plasma generation, plasma / ion beam transport, variable plasma sheaths, high voltage breakdown, surface-plasma interaction, anode-cathode plasma expansion, and dense z-pinch plasmas. Engaged in scientific collaborations with Los Alamos National Laboratory, Air Force Research Laboratory, and Texas Tech University. From July 2013 to Present (2 years 6 months) Albuquerque, New Mexico AreaAdjunct Professor @ Collaboration with the TTU Center for Pulsed Power and Power Electronics, encouraging student participation with pulsed power / plasma physics experiments. From January 2015 to Present (1 year) Lubbock, Texas AreaGraduate Research Assistant @ Supported by the U.S. Air Force Office of Scientific Research to study electric field breakdown & pulsed plasma formation along vacuum / dielectric interfaces with the TTU Center for Pulsed Power and Power Electronics. This center is the top university R&D program focused on pulsed power research in the United States. Member of the research sub-group focused on plasma physics phenomena, high voltage breakdown physics, and high power microwave electronics. Developed a 1D FDTD radiation transport model to study vacuum-UV radiation trapping in dense plasma structures, coded in the MATLAB environment and executed on GPU resources via NVIDIA CUDA architecture. Developed a new diagnostic technique (vacuum-UV self-absorption spectroscopy) to passively measure atomic densities in pulsed plasmas. Developed a 1D FDTD physics model of travelling electromagnetic shockwaves in non-linear transmission lines (NLTLs) used in high power microwave (HPM) source and pulsed electron beam platforms. From August 2008 to June 2013 (4 years 11 months) Lubbock, Texas AreaVisiting Research Scientist @ Received a summer fellowship to participate in research activities with the High Power Electromagnetics Department. Primarily contributed to the design of a plasma diagnostic suite utilized in laboratory experiments to study pulsed high-altitude plasma generation from directed high power RF fields. From May 2012 to August 2012 (4 months) Albuquerque, New Mexico AreaSummer Research Assistant @ Received a scholarship to participate in summer research program supported by Sandia National Laboratories and the National Science Foundation. Designed a pseudo-analog micro-mirror system based on the SUMMIT V fabrication process used at the Sandia MESA facility, and performed electro-static simulations of the device to evaluate use in adaptive optics application. Contributed to ongoing research studies of explosive and chemical identification algorithms used in THz time-domain spectroscopy systems for national security customers. From May 2008 to August 2008 (4 months) Lubbock, Texas AreaUndergraduate Research Assistant @ Studied fiber optic and spark chamber detection designs used in the TTU High Energy Physics Laboratory. Assisted with GPU processing evaluation of particle reconstruction algorithms used in particle physics. Managed UNIX network used by the research group, including server operations to store large data structures from the CMS experiment at CERN. From January 2006 to May 2008 (2 years 5 months) Lubbock, Texas AreaEngineering Intern @ Assisted with various blueprint digitalization and electronic database expansion activities for an engineering design firm. From May 2006 to August 2006 (4 months) Dallas/Fort Worth Area
Doctor of Philosophy (Ph.D.), Electrical Engineering @ Texas Tech University From 2010 to 2013 U.S. Particle Accelerator School @ Duke University From 2013 to 2013 Master of Science (M.S.), Electrical Engineering @ Texas Tech University From 2008 to 2010 Bachelor of Science (B.S.), Physics / Mathematics @ Texas Tech University From 2004 to 2008 George Laity is skilled in: Plasma Physics, Pulsed Power Science, Accelerator Physics, Charged Particle Beams, Radiation Transport, Atomic Physics, Gas Discharge Physics, Vacuum Electronics, Optical Diagnostics, Plasma Astrophysics, HED Science, Electromagnetic Theory