Select Conference Presentations
J. I. Borrero Negrón & K. C. Hartig, “Laser Ablation Plasma Spectroscopy for Pre- and Post-Detonation Signatures for Nuclear Forensic Applications,” International Technical Working Group (ITWG) 28, Bologna, Italy [Invited Talk].
K.C. Hartig, C. Palmer, D. Penchoff, J.E. Baciak, Advancing Nuclear Forensics Education and Research Through the Consortium for Nuclear Forensics, MARC XIII (2025).
K.C. Hartig, J.A. Scoville, M. Anderson, and R.J. Knize, Advancing Atom Trap Trace Analysis (ATTA) for Radioxenon Detection: Enhancing Nuclear Treaty Verification and Forensics, MARC XIII (2025).
I. Harkness and K.C. Hartig, Design and Development of a Reactor Sharing Program at the University of Florida, CONTE 2025 [Award Winning].
K.C. Hartig, J. Valenti, D. Wolfe, and S. Zingaro, Bridging STEM Education and National Security through Student Engagement, CONTE 2025.
K.S. Latty, K.C. Hartig, Single particle excitation and atmospheric debris clearing mechanisms of femtosecond laser filaments, Invited Talk, SciX 2024.
J. I. Borrero Negron and K. C. Hartig, ML-Enhanced Laser Ablation Plasma Spectroscopy for Pre- and Post-Detonation Signatures for Nuclear Forensic Applications, NuFor 2024, Manchester, UK.
A. Rao, J.B. Taylor, J. I. Borrero Negron, J. Braun, P.E. Anderson, and K.C. Hartig, Novel applied data science approaches in optical sensing for nuclear safeguards, Invited Talk, SciX 2024.
E. Villa-Aleman, J. R. Darvin, D. D. Dick, T. C. Shehee, and B. J. Foley, E. H. Kwapis, and K. C. Hartig, Plutonium Research at the SRNL Laser Lab, Proceedings for Plutonium Futures 2024 Meeting.
E. Villa-Aleman, J. R. Darvin, D. D. Dick, B. J. Foley, T. C. Shehee, A. R. Swindle, E. H. Kwapis, K. C. Hartig, Development of spectroscopic tools for nuclear forensics signatures development, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XXV, 2024.
K. S. Latty, J. Borrero, K. C. Hartig, Effects of external focusing and off-axis light collection on aerosol measurements using laser filaments, Invited Talk, The Great Scientific Exchange (SCIX), October 2023.
E. H. Kwapis, E. Medici, K. Berg, R. Houim, and K. C. Hartig, Optical Spectroscopy of Laser-Induced Plutonium Plasmas, Invited Talk, Next Generation Session, The Great Scientific Exchange (SCIX), October 2023.
K. C. Hartig, Laser Ablation Spectroscopy for Nuclear Applications, Invited Talk, Early Career -- Atomic Spectroscopy Session, The Great Scientific Exchange (SCIX), October 2023.
K.S. Latty, M. Burger, I. Jovanovic, K. C. Hartig, Radioactive Contamination Detection and Tracking Using Intense Laser Filaments, DTTRA IIRM Annual Review July 2023.
M. Burger, K. S. Latty, K. C. Hartig, I. Jovanovic, Ultrafast Excitation of Xenon in Tight and Loose Focusing Configurations, CLEO May 2023.
E. H. Kwapis and K. C. Hartig, Effects of Atmospheric Conditions on Optical Signatures of Cerium Laser-Produced Plasmas, INMM-ESARDA Joint Annual Meeting May 2023.
K.C. Hartig, A. Danagoulian, and I. Jovanvoic, Invited Panel on Over the Horizon Nuclear Verification R\&D Needs, DTRA Program Managers and Leadership, December 2022.
E. H. Kwapis and K. C. Hartig, Spectroscopic Signatures and Oxidation Characteristics of Laser-produced Cerium Plasmas, Invited Talk, The Great Scientific Exchange (SCIX) 2022.
K. S. Latty and K. C. Hartig, Dry Aerosol Plasma-Particle Interactions in fs-Laser Filaments for Atmospheric Sampling, Invited Talk, The Great Scientific Exchange (SCIX) 2022.
K. S. Latty and K. C. Hartig, Dry Aerosol Plasma-Particle Interactions in fs-Laser Filaments for Atmospheric Sampling, Optica - Optical Sensors and Sensing Congress, July 2022.
K. C. Hartig, Laser Ablation Spectroscopy for Nuclear Applications, Invited Talk, Optica - Optical Sensors and Sensing Congress, July 2022
E. H. Kwapis, M. Burger, K. S. Latty, K. C. Hartig, I. Jovanovic, Radioactive Contamination Detection and Tracking Using Intense Laser Filaments, DTTRA IIRM Annual Review July 2022.
E. H. Kwapis and K. C. Hartig, Effects of Atmospheric Conditions on Optical Signatures of Cerium Laser-produced Plasmas, MARC XII 2022.
MAJ C. J. Hunter, J. R. Powers-Luhn (PNNL), and K. C. Hartig, Machine Learning Applications for Radioxenon Detection, MARC XII 2022.
K. S. Latty, M. Burger, I. Jovanovic, and K. C. Hartig, Characterization of Ce and Cs Particulate Plumes Using LIBS and Filaments, LIBS 2022.
M. Burger, K. S. Latty, K.C. Hartig, and I. Jovanovic, Ultrafast Excitation of Xenon by Laser Filamentation, LIBS 2022.
E. H. Kwapis and K. C. Hartig, Elucidating Molecular Spectral Signatures in Nanosecond Laser-induced Plutonium Surrogate Plasmas, INMM Annual 2022.
E. H. Kwapis, E. Villa-Aleman, and K. C. Hartig, Spectroscopic Characterization of Vapor-phase Cerium Species using Laser-induced Breakdown Spectroscopy, Oral Talk, NNSA UPR Research Symposia 2021.
E. H. Kwapis and K. C. Hartig, Tracking Of Individual TRISO-fueled Pebbles Through The Application Of X-ray Imaging With Deep Metric Learning, INMM Annual 2021.
K. C. Hartig and E. H. Kwapis, Laser Ablation Plasma Spectroscopy for Nuclear Material Analysis, Invited Talk, The Great Scientific Exchange (SCIX) 2021.
E. H. Kwapis and K. C. Hartig, Automatic Spectral Identification of Uranium using Laser-Induced Breakdown Spectroscopy and Non-negative Matrix Factorization Machine Learning Techniques, IEEE SORMA 2021.
E. H. Kwapis and K. C. Hartig, Methodologies for Wide-Area Environmental Sampling, Oral Talk, NNSA UPR Research Symposia, June 2020.
K. C. Hartig, Overview of Laser Ablation-based Optical Spectroscopy Techniques for Radiological Analysis, Invited Talk, The Great Scientific Exchange (SCIX), Palm Springs 2019.
K. C. Hartig, Standoff Isotope Sensitive Fluorescence Spectroscopy of Laser Ablation Plumes, MARC XI, 2018.
K. C. Hartig, M. C. Phillips, B. E. Brumfield, and S. S. Harilal, Impact of Oxygen Chemistry and Spatio-Temporal Evolution on the Emission and Fluorescence of Laser Ablation Plasma Plumes, Winter Conference on Plasma Spectrochemistry 2018.
K. C. Hartig, Shining a Light on Nuclear Security, Invited Talk, Institute of Nuclear Materials Management (INMM) Signature Science Meeting, PNNL 2018.
K. C. Hartig, Getting that Faculty Position, Invited Talk and Panelist, ANS Young Members Congress Winter 2017.
S. S. Harilal, K. C. Hartig, I. Jovanovic, M. C. Phillips, High Resolution Fluorescence Spectroscopy of Laser-Induced Plasmas, IEEE International Conference on Plasma Science (ICOPS) 2017.
K. C. Hartig, S. S. Harilal, and M. C. Phillips, Spatio-temporal evolution of LIF in laser ablation plumes, Conference on Lasers and Electro-Optics (CLEO) 2017.
K. C. Hartig, M. C. Phillips, and S. S. Harilal, Spatio-temporal mapping of laser ablation plumes using laser-induced fluorescence, The Great Scientific Exchange (SciX) 2017.