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Professor, Walker Department of Mechanical Engineering
+1 512 471 3058
Expertise: Freeform fabrication; System dynamics; Control; Manufacturing control; Innovations in manufacturing, machine design, modeling and control of physical systems, control of thermal processes, technical analysis of intellectual property; selective laser sintering (SLS)
Professor Emeritus, Chandra Department of Electrical and Computer Engineering
Expertise: Light-matter interaction; Laser interactions with materials; High-performance nanoparticles and nanomaterials; Optical signal processing using nonlinear and modulation optical devices
Professor, Walker Department of Mechanical Engineering
+1 512 475 9280
Expertise: Development of femtosecond laser nanosurgery techniques for manipulation of biological systems; Two-photon fluorescence laser scanning microscopy; Development of miniaturized endoscopes for in-vivo cancer detection and treatment; Applications for nerve regeneration processes, and early cancer detection and treatment
Research Professor, Institute for Geophysics, Jackson School of Geosciences
+1 512 471 0489, +1 512 471 6156
Expertise: Antarctic ice sheets, robotic space missions to Europa, airborne and ground-based geophysical techniques (including laser altimetry, radar sounding, seismic reflection and refraction), West Antarctic rift system, West Antarctic Ice Sheet, climate change, global warming, remote sensing, Thwaites glacier, East Antarctica, Europa Clipper
Associate Professor, Department of Earth and Planetary Sciences, Jackson School of Geosciences
+1 512 471 4762
Expertise: Can also see https://www.catlos.work/ My primary research focus is <strong>geochemistry</strong>, and how the fundamentals of chemistry (mineral reactions, radiogenic and stable isotopes, major and trace elements) can be and are used to understand what the Earth was like in the past. In this, I have interests that span a broad range of range of plate boundary processes and laboratory approaches. Many ancient fault systems are clues to determine the evolution and migration of Earth's continents in the past, identify important economic resources that formed during specific times in Earth's history, and/or to assess geological hazards that result due to reactivation of older faults or mass movement of rocks. They are used to understand how plate tectonics operates today and how it operated in the past. I am interested in constraining the evolution of a number of fault systems and mountain ranges that formed during the closure of ancient ocean systems primarily across Asia, the Middle East, and Europe. <br> <br>For example, a major portion of my <strong>Himalayan research </strong> agenda involves constraining past motion on the Main Central Thrust, a large-scale shear zone that worked to create the highest mountains on the planet. I currently use novel geochemical and geochronological approaches that take advantage of modern-day technology to understand how <strong> garnet-bearing rocks </strong> moved at a high-resolution scale within that structure. Garnets are chemical tape recorders, and their chemical elements can be used to ascertain the pressures and temperatures they experienced. They also enclose radioactive minerals, such as monazite, that can be dated to time their history. Data from numerous garnet-bearing rocks across the Main Central Thrust can be used to inform us regarding how and when the Himalayas uplifted in the past, and lend insight into the motion that affects it today. To this end, I collaborate and learn from other researchers, such as geophysicists and modelers. <br> <br>I apply similar approaches to garnet-bearing rocks found in extensional systems in western <strong>Turkey</strong>. In this region, the plate boundary experienced a major switch in the geological past from compression to extension. Again, I apply new approaches in the thermodynamic modeling and geochronology to garnets in this locale to understand why and how this plate tectonic transition occurred. <br> <br>In this portion of my research, I also include the study of <strong>granites</strong>, as these igneous bodies emplaced during the extensional phase. The timing of their formation is key pieces of information regarding how extension occurred in western Turkey, both in time and space. To this end, I pioneered new imaging approaches to their study, and collaborate with economic geologists in Turkey who are interested in how heat and fluid flow around these granite bodies are intricately involved in the formation of ore resources. Their research sparked my interest in granite petrology, and I also study this rock type in China and Slovakia. Some of these granites formed at ancient plate boundaries as continents collided, and their ages and chemistry constrain when and what types of geological processes operated during their formation. <br> <br>The approaches I apply (geochemistry and geochronology) are of interest to a wide variety of researchers, so I collaborate and involve students in projects that include other geologists. An example of this is the dating of radioactive minerals from <strong>ancient meteorite impact craters and massive volcanic eruptions</strong>, events that are key for shaping how life evolved in Earth's history. These projects involve the use of modern and ever-evolving <strong>technological advances in geochemistry</strong>, such as the laser ablation of tiny zircon crystals, or the use of instruments that do not require minerals to be separated from rocks, such as secondary ion mass spectrometry (SIMS). <br> <br>I am interested in <strong>accessory minerals</strong>, such as zircon and monazite, and what controls their appearance in metamorphic and igneous rocks. Monazite, in particular, has been a focus of my research and I have key expertise in its formation, composition, geochronology, and its use as a rare earth resource. <br> <br>Although my research primarily involves compressional and extensional plate boundaries and igneous and metamorphic rocks, I recently delved into understanding sedimentary rocks from along the North Anatolian Fault, a major strike-slip system in north-central Turkey. In this research, we obtained oxygen isotopes across transects along calcite-filled fractures in limestones using SIMS. These calcite-filled fractures have the potential to record their source and provide key insight into the history of the limestones as well as their use for recording modern day fluid flow driven by seismic activity along the active fault system. <br> <br>Fundamentally, my research is <strong>field-based</strong> and involves the mapping and collection of rocks and understanding their importance in addressing research questions regarding what the Earth was like in the past. The research is <strong>laboratory-based</strong>, and I take advantage of modern advances in technology applied to geosciences, including numerous facilities at UT Austin and elsewhere.
Professor, Department of Psychology, College of Liberal Arts
+1 512 475 8497, +1 512 937 8859
Expertise: Neuroscience, neuroanatomy, neurobiology, physiological psychology, psychobiology, learning and memory, brain energy modulation, and neural mechanisms of behavior, transcranial laser stimulation of human cognitive and emotional functions
Research Professor Emeritus, McKetta Department of Chemical Engineering
Expertise: Dr. Heller's study of the physical chemistry of inorganic oxyhalide solutions resulted in the first neodymium liquid lasers (1964-1967) and in the lithium thionyl chloride battery (1973), one of the earliest lithium batteries, remaining in use in medical and defense systems where 20 year shelf life, high energy density and a broad operating temperature range are required. His studies of photoelectrochemical solar cells resulted in 11.5 percent efficient solar cells (1980) and in 11 percent efficient hydrogen evolving photoelectrodes. His related studies of photoelectrocatalysis established that the rate of photo-assisted oxidation of organic matter on photocatalytic titanium dioxide particles was controlled by the rate of reduction of adsorbed oxygen by trapped electrons. He established the field the electrical wiring of enzymes (1988-2005), the electrical connection of their catalytic redox centers to electrodes, and built with wired enzymes the subcutaneously implanted miniature glucose sensors. His wired enzymes became the core technology of the FreeStyle NavigatorTM system of Abbott Diabetes Care; it continuously and accurately monitors subcutaneous glucose levels in diabetic people.
Professor and Temple Foundation Endowed Professorship No. 3, Department of Electrical and Computer Engineering, Cockrell School of Engineering
Expertise: Tissue fusion and ablation processes with radio frequency current and lasers; Applications of the complex electrical properties of and admittance measurements in tissues; Industrial applications of radio frequency and microwave energy
Professor, Department of Physics, College of Natural Sciences
+1 512 471 0883, +1 512 471 4753
Expertise: Atomic physics; laser cooling of atoms; trapping atoms; methods for enriching stable isotopes; desalination of water; energy efficient lighting; molecular motion; materials science; quantum optics; laser optics.
Professor and Joe J. King Chair; FSX Professorship in Space Applications and Exploration, Department of Aerospace Engineering and Engineering Mechanics, Cockrell School of Engineering
Expertise: Spaceborne laser altimetry; especially GLAS on ICESat; Airborne laser altimetry; Space Geodesy; including Global Positioning System (GPS) and laser ranging; Spacecraft dynamics; including orbit and attitude determination; Satellite mission design; Applications of satellites to Earth system studies
Professor and Stanley P. Finch Centennial Professorship in Engineering & Distinguished Teaching Professor, Department of Aerospace Engineering and Engineering Mechanics, Cockrell School of Engineering
+1 512 471 3110
Expertise: Laser Based Sensors; Flow Diagnostics Using Raman and Rayleigh Scattering; Optimal Modeling of Nonequilibrium Flows