Multi-pulse laser wakefield acceleration: a new route to efficient, high-repetition-rate plasma accelerators and high flux radiation sources
Multi-pulse laser wakefield acceleration: a new route to efficient, high-repetition-rate plasma accelerators and high flux radiation sources
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多脉冲激光尾场加速:高效、高重复率等离子体加速器和高通量辐射源的新途径
DOI:
10.1088/0953-4075/47/23/234003
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发表时间:
2014
期刊:
影响因子:
--
通讯作者:
Hooker S
中科院分区:
文献类型:
--
作者:
Hooker S
Laser-driven plasma accelerators can generate accelerating gradients three orders of magnitude larger than radio-frequency accelerators and have achieved beam energies above 1 GeV in centimetre long stages. However, the pulse repetition rate and wall-plug efficiency of laser plasma accelerators is limited by the driving laser to less than approximately 1 Hz and 0.1% respectively. Here we investigate the prospects for exciting the plasma wave with trains of low-energy laser pulses rather than a single high-energy pulse. Resonantly exciting the wakefield in this way would enable the use of different technologies, such as fibre or thin-disc lasers, which are able to operate at multi-kilohertz pulse repetition rates and with wall-plug efficiencies two orders of magnitude higher than current laser systems. We outline the parameters of efficient, GeV-scale, 10 kHz plasma accelerators and show that they could drive compact x-ray sources with average photon fluxes comparable to those of third-generation light source but with significantly improved temporal resolution. Likewise free-electron laser (FEL) operation could be driven with comparable peak power but with significantly larger repetition rates than extant FELs.
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影响因子:
19.6
作者:
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通讯作者:
Gruener, Florian
DOI:
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发表时间:
2009
期刊:
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1990
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2007
期刊:
The European Physical Journal D
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通讯作者:
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DOI:
10.1103/physrevstab.14.040705
发表时间:
2011-04-13
影响因子:
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作者:
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通讯作者:
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