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| 題名: | Self-injected petawatt laser-driven plasma electron acceleration in 10 17 cm -3 plasma |
| 作者: | 白植豪;WANG, X.;ZGADZAJ, R.;YI, S. A.;KHUDIK, V.;HENDERSON, W.;FAZEL, N.;CHANG, Y.-Y.;KORZEKWA, R.;TSAI, H.-E.;PAI, C.-H.;LI, Z.;GAUL, E.;MARTINEZ, M.;DYER, G.;QUEVEDO, H.;BERNSTEIN, A.;DONOVAN, M.;SHVETS, G.;DITMIRE, T.;DOWNER, M. C. |
| 貢獻者: | 理學院物理學系 |
| 日期: | 2012-08-01 |
| 上傳時間: | 2026-04-23 14:21:45 (UTC+8) |
| 出版者: | Cambridge University Press |
| 摘要: | 摘要： We report production of a self-injected, collimated (8 mrad divergence), 600 pC bunch of electrons with energies up to 350 MeV from a petawatt laser-driven plasma accelerator in a plasma of electron density n e = 10 17 cm −3 , an order of magnitude lower than previous self-injected laser-plasma accelerators. The energy of the focused drive laser pulse (150 J, 150 fs) was distributed over several hot spots. Simulations show that these hot spots remained independent over a 5 cm interaction length, and produced weakly nonlinear plasma wakes without bubble formation capable of accelerating pre-heated (~1 MeV) plasma electrons up to the observed energies. The required pre-heating is attributed tentatively to pre-pulse interactions with the plasma.
出版日期： 2012-08
出處： Journal of plasma physics, 2012-08, Vol.78 (4), p.413-419
識別號： ISSN: 0022-3778
識別號： EISSN: 1469-7807
識別號： DOI: 10.1017/S002237781200030X |
| 顯示於類別: | [物理學系] 期刊論文
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