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13 March 2024 Femtosecond filament-matter interactions under atmospheric turbulence
Changmin Kim, José Chirinos, Xianglei Mao, Boyu Zhang, Vassilia Zorba
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Proceedings Volume PC12875, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIV; PC1287508 (2024) https://doi.org/10.1117/12.3001973
Event: SPIE LASE, 2024, San Francisco, California, United States
Abstract
We study the effects of controlled atmospheric turbulence on femtosecond filament-induced plasmas and ablation characteristics upon its interaction with solids at standoff distances. We evaluated shot-to-shot optical emission signal stability, electron number density, and plasma temperature as a function of turbulence strength. The surface topography of the ablation craters resulting from the filament-matter interaction was studied in detail and was correlated to the corresponding optical emission signals under different levels of turbulence. These findings provide first insights into filament-induced plasma optical emission signals and filament target-interaction under controlled turbulence conditions for remote elemental and isotopic sensing applications.
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(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Changmin Kim, José Chirinos, Xianglei Mao, Boyu Zhang, and Vassilia Zorba "Femtosecond filament-matter interactions under atmospheric turbulence", Proc. SPIE PC12875, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIV, PC1287508 (13 March 2024); https://doi.org/10.1117/12.3001973
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KEYWORDS
Femtosecond phenomena
Atmospheric turbulence
Plasmas
Turbulence
Laser-matter interactions
Ablation
Plasma generation
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