Single-shot visualization of evolving plasma wakefields

Zhengyan Li, Hai En Tsai, Xi Zhang, Chih Hao Pai, Yen Yu Chang, Rafal Zgadzaj, Xiaoming Wang, Vladimir Khudik, Gennady Shvets, Michael C. Downer

研究成果: 書貢獻/報告類型會議論文篇章同行評審

6 引文 斯高帕斯(Scopus)

摘要

We measure the evolution history of terawatt-laser driven plasma wakefields in the nonlinear bubble regime using an all-optical frequency-domain streak camera (FDSC) technique. The longitudinal profiles of the plasma "bubble" at different propagation distances within a 3 mm long ionized helium gas target are imaged in single shots, illustrating formation, propagation and coalescence of the bubble. 3D particle-in-cell (PIC) simulations validate the observed density-dependent bubble evolution, and correlate it with generation of a quasi-monoenergetic ∼ 100 MeV electron beam. To visualize petawatt-laser- or e-beam driven plasma wakefields, FDSC is extended to multi-object-plane imaging (MOPI) to measure evolution of wakefield transverse profiles over acceleration distance up to ∼ 1 m in a single shot.

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主出版物標題Advanced Accelerator Concepts 2014
主出版物子標題16th Advanced Accelerator Concepts Workshop
編輯Mark J. Hogan
發行者American Institute of Physics Inc.
ISBN(電子)9780735414396
DOIs
出版狀態已出版 - 28 10月 2016
事件16th Advanced Accelerator Concepts Workshop, AAC 2014 - San Jose, United States
持續時間: 13 7月 201418 7月 2014

出版系列

名字AIP Conference Proceedings
1777
ISSN(列印)0094-243X
ISSN(電子)1551-7616

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???event.eventtypes.event.conference???16th Advanced Accelerator Concepts Workshop, AAC 2014
國家/地區United States
城市San Jose
期間13/07/1418/07/14

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