The Space-Charge Problem in Ultrafast Diagnostics: An All-Optical Solution for Streak Cameras

V Kornienko, Y Bao, J Bood, A Ehn… - Ultrafast Science, 2024 - spj.science.org
The field of ultrafast science is dependent on either ultrashort laser pulse technology or
ultrafast passive detection. While there exists a plethora of sub-picosecond laser pulse …

[HTML][HTML] Validation of THz absorption spectroscopy by a comparison with ps-TALIF measurements of atomic oxygen densities

JR Wubs, L Invernizzi, K Gazeli, U Macherius… - Applied Physics …, 2023 - pubs.aip.org
Terahertz (THz) absorption spectroscopy has recently been developed as a diagnostic
technique for measuring absolute ground-state atomic oxygen densities in plasmas. To …

Depopulation mechanisms of atomic hydrogen in the n= 3 level following two-photon excitation by a picosecond laser

CY Duluard, L Invernizzi, K Hassouni… - Plasma Sources …, 2024 - iopscience.iop.org
Depopulation mechanisms of atomic hydrogen in the n = 3 level following two-photon
excitation by a picosecond laser - IOPscience This site uses cookies. By continuing to use this …

Nitrogen atoms absolute density measurement using two-photon absorption laser induced fluorescence in reactive magnetron discharge for gallium nitride deposition

L Srinivasan, L Invernizzi, S Prasanna, K Gazeli… - Applied Physics …, 2024 - pubs.aip.org
Low-pressure plasmas, in particular magnetron sputtering discharges, are increasingly used
for the deposition of wideband gap semiconductor nitrides films (eg, GaN or AlN) …

[HTML][HTML] Gas temperature measurements from ps-TALIF in highly collisional plasmas

A Siby, D Stefas, Y Agha, L Invernizzi, K Gazeli… - Physics of …, 2024 - pubs.aip.org
In this work, we present a straightforward approach to retrieve gas temperatures directly from
the effective lifetime τ H of the ps-laser excited species measured with picosecond Two …

Gas temperature measurements from ps-TALIF in highly collisional plasmas

AC Siby, D Stefas, Y Agha, L Invernizzi, K Gazeli… - Physics of …, 2024 - hal.science
In this work, we present a straightforward approach to retrieve gas temperatures directly from
the effective lifetime τH of the ps-laser excited species measured with picosecond Two …

Investigation of picosecond laser pulse properties using a streak camera and their utilization for TALIF studies in a microwave plasma torch

D Stefas, A Siby, Y Agha, S Forget, S Chénais… - AIAA SCITECH 2024 …, 2024 - arc.aiaa.org
The intrinsic properties of picosecond (ps) laser pulses with different wavelengths are
investigated using a streak camera in the single-shot mode. It is demonstrated, how the …