Demonstration of kilohertz operation of hydrodynamic optical-field-ionized plasma channels
Demonstration of kilohertz operation of hydrodynamic optical-field-ionized plasma channels
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DOI：
10.1103/physrevaccelbeams.25.011301
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发表时间：
2021-10
影响因子：
1.7
通讯作者：
A. Alejo;J. Cowley;A. Picksley;R. Walczak;S. Hooker
中科院分区：
文献类型：
--
作者：
A. Alejo;J. Cowley;A. Picksley;R. Walczak;S. Hooker
我们的实验表明，流体动力学光场电离（HOFI）等离子体通道可以产生在kHz尺度的脉冲重复频率，在一个静态的气体细胞和延长的时间。使用泵浦探测安排，我们表明，通过横向干涉的两个HOFI通道产生的1毫秒的属性基本上是相同的。我们证明，HOFI通道可以产生在平均重复率为0.4 kHz的一段时间为6.5小时，而不会降低信道特性，我们确定在此期间的信道的关键光学参数的波动。我们的研究结果表明，HOFI和条件HOFI通道非常适合未来的高重复率，多GeV等离子体加速器阶段。
We demonstrate experimentally that hydrodynamic optical-field-ionized (HOFI) plasma channels can be generated at kHz-scale pulse repetition rates, in a static gas cell and for an extended period. Using a pump-probe arrangement, we show via transverse interferometry that the properties of two HOFI channels generated 1 ms apart are essentially the same. We demonstrate that HOFI channels can be generated at a mean repetition rate of 0.4 kHz for a period of 6.5 hours without degradation of the channel properties, and we determine the fluctuations in the key optical parameters of the channels in this period. Our results suggest that HOFI and conditioned HOFI channels are well suited for future high-repetition rate, multi-GeV plasma accelerator stages.