Machine learning in analytical spectroscopy for nuclear diagnostics

AP Rao, PR Jenkins, RE Pinson, JD Auxier II… - Applied Optics, 2023 - opg.optica.org
Analytical spectroscopy methods have shown many possible uses for nuclear material
diagnostics and measurements in recent studies. In particular, the application potential for …

[HTML][HTML] Calibration-free analysis of a tungsten-based target for diagnostics of relevant fusion materials comparing picosecond and nanosecond LIBS

AM Roldán, M Pisarčík, M Veis, M Držík… - Spectrochimica Acta Part B …, 2021 - Elsevier
The elemental analysis of plasma-facing components (PFCs) with deposits is vital for the
study of the material erosion, deposition, and fuel retention. For ITER-like divertor, first wall is …

In-situ laser diagnostics to characterize Iridium nanoparticles synthesized in a flame by the Reactive Spray Deposition Technology

EK Stefanidis, Z Zeng, S Bliznakov, LJ Bonville… - Optics and Lasers in …, 2025 - Elsevier
In-situ laser diagnostics are used extensively to measure sizes, volume fraction, and
morphology of soot in flames as well as flame temperature, and gas composition, but their …

Laser-induced plasma analysis of ammonia-oxygen and ammonia-oxygen-enriched-air flames at elevated pressures

BK Gokcecik, N Guthikonda, A Clark, P Zhao… - Combustion and …, 2025 - Elsevier
This study employed Laser-induced breakdown spectroscopy (LIBS) to measure the fuel-
oxidizer ratio (FOR) of ammonia combustion with oxygen-enriched air and pure oxygen …

Flame stability and equivalence ratio assessment of turbulent partially premixed flames

T Badawy, M Hamza, MS Mansour, AM Elbaz… - Fuel, 2022 - Elsevier
This study is geared toward generating highly stabilized partially premixed flames at various
levels of turbulence and partially premixing. Therefore, with the help of the laser-induced …

Combined use of TDLAS and LIBS for reconstruction of temperature and concentration fields

J Lee, C Bong, J Yoo, MS Bak - Optics Express, 2020 - opg.optica.org
A new technique is developed for reconstructing the temperature and species-concentration
fields by employing tunable diode laser absorption spectroscopy (TDLAS) and laser …

Emissions in short-gated ns/ps/fs-LIBS for fuel-to-air ratio measurements in methane-air flames

M Gragston, P Hsu, N Jiang, S Roy, Z Zhang - Applied Optics, 2021 - opg.optica.org
A study of short-gated 10 nanosecond (ns), 100 picosecond (ps), and 100 femtosecond (fs)
laser induced breakdown spectroscopy (LIBS) was conducted for fuel-to-air ratio (FAR) …

LIBS and Raman spectroscopy in tandem with machine learning for interrogating weatherization of lithium hydride

RE Pinson, AV Giminaro, CL Dugan, PR Jenkins… - Applied Optics, 2023 - opg.optica.org
Lithium compounds such as lithium hydride (L i H) and anhydrous lithium hydroxide (L i OH)
have various applications in industry but are highly reactive when exposed to moisture and …

10 kHz laser-induced schliere anemometry for velocity, Mach number, and static temperature measurements in supersonic flows

L Lester, M Gragston - Applied Optics, 2021 - opg.optica.org
A new, to the best of our knowledge, technique for measuring velocity and Mach number in
freestream flow is discussed and demonstrated. The technique, laser-induced schliere …

Laser induced breakdown spectroscopy study of non-premixed flames with machine learning

M Bilal, Y Jamil, ZY Tian - Engineered Science, 2022 - espublisher.com
In-situ non-premixed flames were studied by the combination of laser induced breakdown
spectroscopy (LIBS) and machine learning to obtain an accurate depiction of the local …