The radiation reaction effect in ultra intense laser foil interactions

O. Klimo; M. Jirka; M. Masek; J. Limpouch; M. Bussmann; G. Korn

doi:10.1117/12.2017213

7 May 2013 The radiation reaction effect in ultra intense laser foil interactions

O. Klimo, M. Jirka, M. Masek, J. Limpouch, M. Bussmann, G. Korn

Proceedings Volume 8780, High-Power, High-Energy, and High-Intensity Laser Technology; and Research Using Extreme Light: Entering New Frontiers with Petawatt-Class Lasers; 87801O (2013) https://doi.org/10.1117/12.2017213
Event: SPIE Optics + Optoelectronics, 2013, Prague, Czech Republic

Abstract

Since the radiation reaction effect on electron propagation is very small in most cases, it can be usually neglected and the Lorentz force equation can be applied. However, ultra-intense lasers with normalized vector potential of the order of 100 can accelerate electrons to relativistic velocities with very high gamma factor. When the electron is accelerated to such high velocities the amount of emitted radiation may become large and radiation damping and emission of energetic photons should be considered. This work studies the influence of the radiation reaction force on laser interaction with solid foil targets. It compares different approaches adopted in PIC simulations to take into account the radiation reaction. The simulations of a counter-propagating relativistic electron and an ultra-intense laser beam demonstrate a strong energy loss of electrons due to non-linear Compton scattering. The interaction of ultra-intense laser pulse with solid foil is studied using PIC simulations. It is shown that the effect of radiation reaction strongly depends on the recirculation of high-energy electrons. When the recirculation is efficient, the radiation coming from the target is much more intense and it shows different spectral and angular characteristics.

Citation Download Citation

O. Klimo, M. Jirka, M. Masek, J. Limpouch, M. Bussmann, and G. Korn "The radiation reaction effect in ultra intense laser foil interactions", Proc. SPIE 8780, High-Power, High-Energy, and High-Intensity Laser Technology; and Research Using Extreme Light: Entering New Frontiers with Petawatt-Class Lasers, 87801O (7 May 2013); https://doi.org/10.1117/12.2017213

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