等离子体加速器单发诊断的最新研究
Recent studies on single-shot diagnostics for plasma accelerators at SPARC_LAB
摘要：
等离子体尾场加速技术由于具有很高的加速梯度而成为最有前途的小型廉价加速器加速技术。然而，这种方法仍然遭受拍摄到拍摄的不稳定性，主要涉及到实验参数的波动。因此，需要使用Single Shot诊断来正确理解加速机制。在这项工作中，我们提出了两个诊断探测电子束从激光等离子体相互作用，一个依赖于电光采样（EOS）的激光固体物质相互作用，另一个基于光学渡越辐射（OTR）的Single Shot测量的等离子体加速电子束的横向发射度，都是在实验室测试设备。
英文摘要：
Plasma wakefield acceleration is the most promising acceleration technique for compact and cheap accelerators, thanks to the high accelerating gradients achievable. Nevertheless, this approach still suffers of shot-to-shot instabilities, mostly related to experimental parameters fluctuations. Therefore, the use of single shot diagnostics is needed to properly understand the acceleration mechanism. In this work, we present two diagnostics to probe electron beams from laser-plasma interactions, one relying on Electro Optical Sampling (EOS) for laser-solid matter interactions, the other one based on Optical Transition Radiation (OTR) for single shot measurements of the transverse emittance of plasma accelerated electron beams, both developed at the SPARC_LAB Test Facility.
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