Laboratory Pictures

Membership in major research initiatives

NNSA Consortium on Nuclear Forensics (UF Lead):

DTRA University Research Alliance – Interaction of Ionizing Radiation with Matter (IIRM):

NNSA University Consortium – Monitoring Technology and Verification (MTV):

Thrust Area 1: Remote sensing

Active detection:

  • Laser-induced breakdown spectroscopy (LIBS)
  • Laser-induced fluorescence (LIF)
  • Laser filamentation as a tool for standoff detection of solid and aerosol materials in the environment
  • Environmental sampling/signatures and observables

Passive detection:

  • Drone-based radiation detection (e.g. CZT detectors packaged and deployed on drones)
  • Laser absorption spectroscopy (LAS)
  • Hyperspectral imaging and spectroscopy
Cerium Laser Induced Plasma Spectroscopy
Cerium Laser Induced Plasma Spectroscopy

Thrust Area 2: Fundamental plasma physics and diagnostics

Laser-induced plasmas as surrogates for detonations

  • Combustion and oxidation within laser produced plasmas
  • Spatio-temporal evolution of complex mixed plasma plumes formed following laser ablation
  • Signatures and observables of detonations (e.g. radio-frequency emission from detonations)
  • Modeling of laser produced plasmas (collaboration with Prof. Ryan Houim in MAE)
Modeling Laser Plasma Detonation
Hyburn Modeling of Laser Plasma Detonation

Thrust Area 3: DATA SCIENCE

  • Machine learning for signature discovery in optical and radiation detection spectra
  • Automated identification and quantification of material composition and characterization
  • Tagging and tracking of nuclear materials
  • Domestic and international safeguards
Tracking of TRISO-fueled nuclear fuel pebbles
Automatic tagging and tracking of TRISO-fueled nuclear fuel pebbles using machine learning

Active projects

NNSA Consortium on Nuclear Forensics (NNSA CNF)

Prof. Hartig serves as Associate Director and Thrust Area 5 Lead.

Savanah River National Laboratory

Subcontract – supporting collaborative research on nuclear forensics and detection using optical techniques.

DTRA University Research Alliance Interaction of Ionizing Radiation in Matter (DTRA IIRM)

Research area lead on survivability and detection of materials as well as co-lead on workforce development. Supports work on remote detection of nuclear materials released into the environment.

NNSA Monitoring Technology and Verification Consortium (NNSA MTV)

Supports research on wide area environmental sampling using optical techniques.

Previous Projects

Brookhaven National Laboratories

Open Source Datasets for Nonproliferation.

DTRA Young Investigator Award

Supports research on the characterization of radio-frequency emissions from laser produced plasmas as surrogates for detonations.

NSF REU through Arkansas State University

Supports fundamental research related to laser ablation plasma morphology and chemistry.

Sandia National Laboratories

Young Faculty in Safeguards Award – supporting development of machine learning curricula and research focussed on international safeguards.