Temporal characterization of a self-modulated laser wakefield accelerator

S. P. Le Blanc, M. C. Downer, R. Wagner, S. Y. Chen, A. Maksimchuk, G. Mourou, D. Umstadter

研究成果: 雜誌貢獻會議論文同行評審


A femtosecond pump-probe experiment based on forward, collective Thomson scattering for characterization of the amplitude, growth and decay rate of a self-modulated laser wakefield accelerator (SM-LWFA) is demonstrated. By measuring Thomson scattering from the probe pulse as a function of the delay between the pump and probe, the temporal envelope of the wakefield oscillations is recorded. The measured exponential rise time of the wakefield is in agreement with that expected from the growth of the forward Raman scattering (FRS) instability. Since the total energy in the plasma wave, the measured exponential decay rate of the wakefield is consistent with nonlinear Landau damping of trapped electrons or beam loading of the plasma wave.

頁(從 - 到)313
期刊Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS
出版狀態已出版 - 1997
事件Proceedings of the 1997 Conference on Lasers and Electro-Optics, CLEO - Baltimore, MD, USA
持續時間: 18 5月 199723 5月 1997


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