X-ray generation in strongly nonlinear plasma waves - art. no. 135004
X-ray generation in strongly nonlinear plasma waves - art. no. 135004
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DOI：
10.1103/physrevlett.93.135004
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发表时间：
2004-09-24
影响因子：
8.6
通讯作者：
Kostyukov, I
中科院分区：
文献类型：
--
作者：
Kiselev, S;Pukhov, A;Kostyukov, I
我们证明了“泡泡”区的激光尾迹场[A.Pukhov和J.Meyer-ter-VEHN]适用。太棒了。B 74,355(2002)]，作为一种紧凑的高亮度X射线源。自陷的相对论电子在气泡的横场中产生电子束振荡，并发射出最大约50keV的明亮的宽带x射线辐射。发射被限制在约0.1rad的小角度内。此外，我们还模拟了外部28.5GeV电子束注入到气泡中产生的X射线。在模拟中观察到了能量高达GeV的伽马量子，与分析结果符合得很好。能量转换是有效的，导致电子束在相互作用距离超过5 mm时显著停止。
We show that a laser wake field in the "bubble" regime [A. Pukhov and J. Meyer-ter-Vehn Appl. Phys. B 74, 355 (2002)], works as a compact high-brightness source of x-rays. The self-trapped relativistic electrons make betatron oscillations in the transverse fields of the bubble and emit a bright broadband x-ray radiation with a maximum about 50 keV. The emission is confined to a small angle of about 0.1 rad. In addition, we make simulations of x-ray generation by an external 28.5 GeV electron bunch injected into the bubble. gamma quanta with up to GeV energies are observed in the simulation in good agreement with analytical results. The energy conversion is efficient, leading to a significant stopping of the electron bunch over 5 mm interaction distance.