Externally controlled injection of electrons by a laser pulse in a laser wakefield electron accelerator

Szu Yuan Chen, Chun Lin Louis Chang, Wei Ting Chen, Ting Yei Chien, Chau Hwang Lee, Jiunn Yuan Lin, Jyhpyng Wang

研究成果: 書貢獻/報告類型會議論文篇章同行評審

摘要

Spatiotemporally localized injection of electrons is a key element for development of plasma-wave electron accelerator. Here we report the demonstration of two different schemes for electron injection in a self-modulated laser wakefield accelerator (SM-LWFA) by using a laser pulse. In the first scheme, by implementing a copropagating laser pulse with proper timing, we are able to control the growth of Raman forward scattering (RFS) and the prepulse also plays the role of injecting hot electrons into the fast plasma wave driven by the pump pulse. In the second scheme, by using a transient density ramp we achieve self-injection of electrons in a SM-LWFA with spatial localization. The transient density ramp is produced by a prepulse propagating transversely to drill a density depression channel via ionization and expansion.

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主出版物標題Proceedings of the Particle Accelerator Conference, PAC 2005
頁面3644-3646
頁數3
DOIs
出版狀態已出版 - 2005
事件Particle Accelerator Conference, PAC 2005 - Knoxville, TN, United States
持續時間: 16 5月 200520 5月 2005

出版系列

名字Proceedings of the IEEE Particle Accelerator Conference
2005

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???event.eventtypes.event.conference???Particle Accelerator Conference, PAC 2005
國家/地區United States
城市Knoxville, TN
期間16/05/0520/05/05

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