Essential criteria for efficient pulse amplification via Raman and Brillouin scattering
R.M.G.M. Trines, E.P. Alves, E. Webb, J. Vieira, F. Fiuza, R.A., Fonseca, L.O. Silva, J. Sadler, N. Ratan, L. Ceurvorst, M.F. Kasim, M. Tabak,, D. Froula, D. Haberberger, P.A. Norreys, R.A. Cairns, and R. Bingham
TL;DR
This paper derives new criteria for optimizing pulse amplification in plasma via Raman and Brillouin scattering, focusing on pulse shaping to enhance efficiency and control the amplified pulse properties.
Contribution
It introduces criteria for the evolution of seed pulses and guides initial pulse shaping to improve amplification outcomes in plasma schemes.
Findings
New criteria for seed pulse evolution
Pulse shaping strategies for efficiency
Enhanced control over amplified pulses
Abstract
Raman and Brillouin amplification are two schemes for amplifying and compressing short laser pulses in plasma. Analytical models have already been derived for both schemes, but the full consequences of these models are little known or used. Here, we present new criteria that govern the evolution of the attractor solution for the seed pulse in Raman and Brillouin amplification, and show how the initial laser pulses need to be shaped to control the properties of the final amplified seed and improve the amplification efficiency.
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Taxonomy
TopicsLaser-Matter Interactions and Applications · Laser-Plasma Interactions and Diagnostics · Laser Design and Applications