Collective dynamics and enhancement of absorption in deformed targets

Year: 1999

Authors: Ruhl H., Macchi A., Mulser P., Cornolti F., Hain S.

Autors Affiliation: Theoretische Quantenelektronik, TU-Darmstadt, Hochschulstraße 4A, 64289 Darmstadt, Germany; Scuola Normale Superiore, Piazza dei Cavalieri 2, 56100 Pisa, Italy; Istituto Nazionale Fisica della Materia, sezione A, Piazza Torricelli 1, I-56125 Pisa, Italy; Dipartimento di Fisica dell\’Universitá di Pisa, Piazza Torricelli 1, I-56125 Pisa, italy

Abstract: Absorption of intense femtosecond laser pulses in targets having either self-generated or imposed deformations is investigated with Vlasov simulations. Absorption attains high values and scales strongly with the deformation depth but weakly with density and intensity. Fast electron transport is mainly lateral for thin foils with small ratios of target thickness to deformation depth. For thick foils with larger ratios a single magnetic channel forms.


Volume: 82 (10)      Pages from: 2095  to: 2098

KeyWords: laser-plasma interactions
DOI: 10.1103/PhysRevLett.82.2095

Citations: 69
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