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首页> 外文期刊>Physical Review. Accelerators and Beams >High efficiency laser-assisted span class="aps-inline-formula"math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"mrowmsupmrowmi mathvariant="normal"H/mi/mrowmrowmo?/mo/mrow/msup/mrow/math/span charge exchange for microsecond duration beams
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High efficiency laser-assisted span class="aps-inline-formula"math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"mrowmsupmrowmi mathvariant="normal"H/mi/mrowmrowmo?/mo/mrow/msup/mrow/math/span charge exchange for microsecond duration beams

机译：高效激光辅助 class =“ aps-inline-formula”> H ？ 微秒持续时间光束的电荷交换

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摘要

Laser-assisted stripping is a novel approach to ${mathrm{H}}^{ensuremath{-}}$ charge exchange that overcomes long-standing limitations associated with the traditional, foil-based method of producing high-intensity, time-structured beams of protons. This paper reports on the first successful demonstration of the laser stripping technique for microsecond duration beams. The experiment represents a factor of 1000 increase in the stripped pulse duration compared with the previous proof-of-principle demonstration. The central theme of the experiment is the implementation of methods to reduce the required average laser power such that high efficiency stripping can be accomplished for microsecond duration beams using conventional laser technology. The experiment was performed on the Spallation Neutron Source 1 GeV ${mathrm{H}}^{ensuremath{-}}$ beam using a 1 MW peak power UV laser and resulted in $ensuremath{sim}95%$ stripping efficiency.
机译：激光辅助剥离是一种用于$ { mathrm {H}} ^ { ensuremath {-}} $电荷交换的新颖方法，它克服了与传统的基于箔的高强度时间生成方法相关的长期限制。结构的质子束。本文报道了微秒持续时间光束的激光剥离技术的首次成功演示。与先前的原理证明相比，该实验表明剥离脉冲持续时间增加了1000倍。实验的中心主题是实施降低所需平均激光功率的方法，以便可以使用常规激光技术对微秒长的光束实现高效剥离。该实验是使用1 MW峰值功率UV激光器在Spallation中子源1 GeV $ { mathrm {H}} ^ { ensuremath {-}} $光束上进行的，结果得到$ ensuremath { sim} 95​​％$剥离效率。

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