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Femtosecond laser-plasma dynamics study by a time-resolved Mach-Zehnder-like interferometer

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Author(s):
Zuffi, Armando Valter Felicio ; dos Santos, Jhonatha Ricardo ; Maldonado, Edison Puig ; Vieira Jr, Nilson Dias ; Samad, Ricardo Elgul
Total Authors: 5
Document type: Journal article
Source: APPLIED OPTICS; v. 62, n. 8, p. 7-pg., 2023-03-10.
Abstract

Side-view density profiles of a laser-induced plasma were measured by a home-built, time-resolved, Mach- Zehnder-like interferometer. Due to the pump-probe femtosecond resolution of the measurements, the plasma dynamics was observed, along with the pump pulse propagation. The effects of impact ionization and recombina-tion were evidenced during the plasma evolution up to hundreds of picoseconds. This measurement system will integrate our laboratory infrastructure as a key tool for diagnosing gas targets and laser-target interaction in laser wakefield acceleration experiments.(c) 2023 Optica Publishing Group (AU)

FAPESP's process: 17/50332-0 - Scientific, technological and infrastructure qualification in radiopharmaceuticals, radiation and entrepreneurship for health purposes (PDIp)
Grantee:Marcelo Linardi
Support Opportunities: Research Grants - State Research Institutes Modernization Program
FAPESP's process: 21/13737-8 - Acceleration of laser particles in the Scientific, Technological and Infrastructure Training program in Radiopharmaceuticals and Entrepreneurship at the Service of Health.
Grantee:Jhonatha Ricardo dos Santos
Support Opportunities: Scholarships in Brazil - Post-Doctoral