Electron acceleration by few-cycle laser pulse with single-wavelength spot size

G. I. Dudnikova; V. Yu. Bychenkov; Anatoly M. Maksimchuk; Gerard A. Mourou; John A. Nees; S. G. Bochkarev; V. A. Vshivkov

doi:10.1117/12.536958

12 December 2003 Electron acceleration by few-cycle laser pulse with single-wavelength spot size

G. I. Dudnikova, V. Yu. Bychenkov, Anatoly M. Maksimchuk, Gerard A. Mourou, John A. Nees, S. G. Bochkarev, V. A. Vshivkov

Author Affiliations +

Proceedings Volume 5228, ECLIM 2002: 27th European Conference on Laser Interaction with Matter; (2003) https://doi.org/10.1117/12.536958
Event: ECLIM 2002: 27th European conference on Laser Interaction with Matter, 2002, Moscow, Russian Federation

Abstract

Generation of relativistic electrons from the interaction of a laser pulse with a high density plasma foil, accompanied by an underdense preplasma in front of it, has been studied with 2D particle-in-cell (PIC) simulations for pulse duration comparable to a single-cycle and for single-wavelength spot size. The primary mechanism responsible for electron acceleration is identified. Simulations show that the energy of the accelerated electrons has a maximum versus the pulse-duration for relativistic laser intensities. The most effective electron acceleration takes place when the preplasma scale length is comparable to the pulse-duration. Electron distribution functions have been found from PIC simulations. Their tails are well approximated by Maxwellian distributions with a hot temperature in the MeV range.

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G. I. Dudnikova, V. Yu. Bychenkov, Anatoly M. Maksimchuk, Gerard A. Mourou, John A. Nees, S. G. Bochkarev, and V. A. Vshivkov "Electron acceleration by few-cycle laser pulse with single-wavelength spot size", Proc. SPIE 5228, ECLIM 2002: 27th European Conference on Laser Interaction with Matter, (12 December 2003); https://doi.org/10.1117/12.536958

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