Laser ablation plasmas and spectroscopy for nuclear applications

EH Kwapis, J Borrero, KS Latty, HB Andrews… - Applied …, 2024 - opg.optica.org
The development of measurement methodologies to detect and monitor nuclear-relevant
materials remains a consistent and significant interest across the nuclear energy …

Optical spectroscopy and modeling of uranium gas-phase oxidation: Progress and perspectives

EJ Kautz, EN Weerakkody, MS Finko, D Curreli… - … Acta Part B: Atomic …, 2021 - Elsevier
Studies related to U gas-phase oxidation through plasma-and thermo-chemistry are
important for many fields, including environmental monitoring, forensic analysis, debris …

Laser ablation spectrometry for studies of uranium plasmas, reactor monitoring, and spent fuel safety

M Burger, LA Finney, L Garrett, SS Harilal… - … Acta Part B: Atomic …, 2021 - Elsevier
Nuclear security is one of the defining challenges of our time. Nuclear threats range from
deliberate dispersal of radioactive material to contaminate the vital infrastructure to diversion …

Analysis of gadolinium oxide using microwave-enhanced fiber-coupled micro-laser-induced breakdown spectroscopy

Y Ikeda, JK Soriano, H Ohba, I Wakaida - Scientific Reports, 2023 - nature.com
We report on the analysis of pure gadolinium oxide (Gd2O3) and its detection when mixed in
surrogate nuclear debris using microwave-enhanced fiber-coupled micro-laser-induced …

Progress of laser-induced breakdown spectroscopy in nuclear industry applications

J Wu, Y Qiu, X Li, H Yu, Z Zhang… - Journal of Physics D …, 2019 - iopscience.iop.org
In order to ensure the safety and economy of nuclear industry production, the analysis of
nuclear materials and other materials used in nuclear industry environments are usually …

Ultrafast laser matter interactions: modeling approaches, challenges, and prospects

G Miloshevsky - Modelling and Simulation in Materials Science …, 2022 - iopscience.iop.org
The irradiation of the target surface by an ultrafast femtosecond (fs) laser pulse produces the
extreme non-equilibrium states of matter and subsequent phase transformations …

Physical conditions for UO formation in laser-produced uranium plumes

SS Harilal, EJ Kautz, BE Bernacki… - Physical Chemistry …, 2019 - pubs.rsc.org
We investigate the oxidation of uranium (U) species, the physical conditions leading to
uranium monoxide (UO) formation and the interplay between plume hydrodynamics and …

The role of ambient gas confinement, plasma chemistry, and focusing conditions on emission features of femtosecond laser-produced plasmas

EJ Kautz, J Yeak, BE Bernacki, MC Phillips… - Journal of analytical …, 2020 - pubs.rsc.org
Ultrafast laser ablation coupled with optical emission spectroscopy is currently under
development for standoff detection of elements and their isotopes for a wide range of …

The effect of oxygen concentration on the speciation of laser ablated uranium

MA Burton, AW Auner, JC Crowhurst, PS Boone… - Scientific Reports, 2022 - nature.com
In order to model the fate and transport of particles following a nuclear explosion, there must
first be an understanding of individual physical and chemical processes that affect particle …

Measurement of neutral gadolinium oscillator strengths using dual-comb absorption spectroscopy in laser-produced plasmas

RRD Weeks, MC Phillips, Y Zhang, SS Harilal… - … Acta Part B: Atomic …, 2021 - Elsevier
The oscillator strengths of 43 transitions of neutral gadolinium from 530 to 535 nm were
determined based on high-resolution absorption spectra measured by probing a laser …