# overview
My research focuses on developing new laser sensing techniques and plasma-enabled devices for applications to high speed aerodynamics, combustion, remote sensing, and flow control. A particular focus area is on developing new and powerful laser-based spectroscopic techniques for harsh, high temperature environments containing non-equilibrium gases, liquid droplets and plasmas.

# keywords[]
5102 Atomic, Molecular And Optical Physics

# keywords[]
Time Resolved Collective Thomson Scattering

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Space Resolved Collective Thomson Scattering

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5102 Atomic, Molecular And Optical Physics

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5102 Atomic, Molecular And Optical Physics

# keywords[]
4012 Fluid Mechanics And Thermal Engineering

# keywords[]
5102 Atomic, Molecular And Optical Physics

# keywords[]
4012 Fluid Mechanics And Thermal Engineering

# educationAndTraining[].organization.label
Princeton University - (Princeton, New Jersey, United States)

# educationAndTraining[].organization.label
University of Arizona - (Tucson, Arizona, United States)

# publications[].label
Trajectory Control of Small Rotating Projectiles by Laser Sparks

# publications[].publisher
American Institute of Aeronautics and Astronautics (AIAA)

# publications[].label
Limitations on High-Spatial Resolution Measurements of Turbulence Using Femtosecond Laser Tagging

# publications[].publisher
American Institute of Aeronautics and Astronautics (AIAA)

# publications[].label
Laser thermal ignition using a dual-pulse approach

# publications[].label
TRAJECTORY CONTROL OF SMALL ROTATING PROJECTILES BY LASER DISCHARGES

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Adjoint Optimization of the Spatial Profile of Steady Energy Deposition for Supersonic Drag Reduction

# publications[].publisher
American Institute of Aeronautics and Astronautics (AIAA)

# publications[].label
Hypersonic FLEET velocimetry and uncertainty characterization in a tripped boundary layer

# publications[].label
Measurement of Dissociation Fraction and Temperature using Laser Rayleigh Scattering Methods

# publications[].publisher
American Institute of Aeronautics and Astronautics (AIAA)

# publications[].label
Toward a microscopic study of laser interactions with levitated liquid fuel droplets

# publications[].label
Spatial evolution of nitric oxide in ns-discharges using a 250 kHz optical parametric oscillator

# publications[].label
Laser Ignition of Propane-Air Mixtures Using a Dual-Pulse Technique

# publications[].publisher
American Institute of Aeronautics and Astronautics (AIAA)

# publications[].label
DEVELOPMENT OF A TWO-COLOR THOMSON AND RAYLEIGH SCATTERING DIAGNOSTIC FOR ELECTRON DENSITY MEASUREMENTS

# publications[].label
Fully resolved lineshape measurement of a seeded and unseeded optical parametric oscillator using a virtually imaged phased array spectrometer.

# publications[].label
Demonstration of a dual-pulse laser heating technique for ignition of propane-air mixtures

# publications[].label
Development of a Virtually Imaged Phased Array (VIPA) Spectrometer for Electron and Ion Temperature Measurement*

# publications[].label
Aero-optical effects in non-equilibrium air

# publications[].publisher
American Institute of Aeronautics and Astronautics (AIAA)

# publications[].label
Hypersonic Vehicle MHD Power Extraction Concept Utilizing Mach Stem Thermal Ionization

# publications[].publisher
American Institute of Aeronautics and Astronautics (AIAA)

# publications[].label
Shock Propagation in a High Temperature Gas Discharge Initiated by Ultraviolet Laser-Induced Breakdown

# publications[].publisher
American Institute of Aeronautics and Astronautics (AIAA)

# publications[].label
Cavity-enhanced rotational Raman scattering in gases using a 20mW near-infrared fiber laser.

# publications[].label
Threshold characteristics of ultraviolet and near infrared nanosecond laser induced plasmas

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SHOCK WAVE GENERATION BY ULTRAVIOLET NANOSECOND LASER PULSES AT REDUCED PRESSURE

# publications[].label
The Redshift Evolution of the Tully-Fisher Relation as a Test of   Modified Gravity

# publications[].label
A direct-reading particle sizer with elemental composition analysis for large inhalable particles

# publications[].label
Control of Early Flame Kernel Growth by Multi-Wavelength Laser Pulses for Enhanced Ignition.

# publications[].label
Rayleigh Scattering Measurements of Heating and Gas Perturbations Accompanying Femtosecond Laser Tagging

# publications[].publisher
American Institute of Aeronautics and Astronautics (AIAA)

# publications[].label
Investigation of Electron-Neutral Collisions in Weakly Ionized Laser Plasma Using Two-Color Interferometry and Radar Scattering*

# publications[].label
Phenomenology and capabilities of mutually guided laser and neutral particle beams for deep space propulsion

# publications[].label
Mutually guided light and particle beam propagation.

# publications[].label
Space and time analysis of the N2 vibrational non-equilibrium in the N2 and air nanosecond discharge afterglow

# publications[].publisher
American Institute of Aeronautics and Astronautics (AIAA)

# publications[].label
Development of a Virtually Imaged Phase Array (VIPA) Spectrometer for Diagnostic Applications

# publications[].publisher
American Institute of Aeronautics and Astronautics (AIAA)

# publications[].label
Development of a cavity enhanced Thomson and Raman scattering diagnostic

# publications[].label
Rayleigh and Thomson Scattering Diagnostics of Laser Air Sparks: A Testbed for Tailoring Laser Plasmas

# publications[].publisher
American Institute of Aeronautics and Astronautics (AIAA)

# publications[].label
Laser light scattering from equilibrium, high temperature gases: Limitations on rayleigh scattering thermometry

# publications[].label
Influence of vibrational non-equilibrium on the polarizability and refraction index in air: computational study

# publications[].label
Simultaneous temperature, density and velocity measurements in laser-generated plasmas by rayleigh and filtered Rayleigh scattering

# publications[].label
Light Scattering Measurements of Energy Partitioning in Laser Air Sparks**Student support provided by a National Defense Science and Engineering Graduate Fellowship.

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Application of a pulsed OPO seeded by a CW OPO to investigation of linewidth effects on TALIF excitation efficiency

# publications[].label
Measurements of N2 refractive index and scalar polarizability in a pulsed nanosecond non-equilibrium discharge by Mach-Zehnder interferometry and spontaneous Raman scattering

# publications[].label
Experimental and analytical evaluation of an active barium vapor notch filter functioning at 355nm.

# publications[].label
High resolution spatially extended 1D laser scattering diagnostics using volume Bragg grating notch filters.

# publications[].label
Plasma-induced Phase Transition of Water

# publications[].label
A Shape-Morphing Ceramic Composite for Variable Geometry Scramjet Inlets

# publications[].label
Simultaneous Temperature, Density and Velocity Measurements in Laser-Generated Plasmas by Rayleigh and Filtered Rayleigh Scattering

# publications[].publisher
American Institute of Aeronautics and Astronautics (AIAA)

# publications[].label
Novel approach to laser ignition using a gas pre-ionization technique

# publications[].label
Adjoint Optimization of Mass, Momentum and Energy Addition in Steady Supersonic Flow

# publications[].publisher
American Institute of Aeronautics and Astronautics (AIAA)

# publications[].label
High-speed planar laser-induced fluorescence investigation of nitric oxide generated by hypersonic Mach reflections for computational fluid dynamics validation

# publications[].label
New diagnostic methods for laser plasma- and microwave-enhanced combustion.

# publications[].label
Thermometry of liquid water through slow light imaging spectroscopy.

# publications[].label
Characterization of Dissociation and Gas Heating in Femtosecond Laser Plasma with Planar Rayleigh Scattering and Rayleigh Scattering Polarimetry

# publications[].publisher
American Institute of Aeronautics and Astronautics (AIAA)

# publications[].label
Steering in Supersonic Flow via Laser Breakdown: Measurements for a Tethered Cylinder-Cone

# publications[].publisher
American Institute of Aeronautics and Astronautics (AIAA)

# publications[].label
Adjoint Optimization of Volumetric Sources in Steady, Supersonic Flow: Energy Addition

# publications[].publisher
American Institute of Aeronautics and Astronautics (AIAA)

# researcherOn[].label
PROCSIMA: Diffractionless Beamed Propulsion for Breakthrough Interstellar Missions

# researcherOn[].awardedBy.label
National Aeronautics and Space Administration - (Washington D.C., District of Columbia, United States)

# researcherOn[].label
Self-Guided Beamed Propulsion for Breakthrough Interstellar Missions

# researcherOn[].awardedBy.label
National Aeronautics and Space Administration - (Washington D.C., District of Columbia, United States)

# researcherOn[].awardedBy.label
National Aeronautics and Space Administration - (Washington D.C., District of Columbia, United States)

# researcherOn[].awardedBy.label
United States Army - (Washington D.C., District of Columbia, United States)

# streetAddress
Texas A&M University; Aerospace Engineering; 3141 TAMU

# websites[].label
Laser Diagnostics and Plasma Devices Lab