Laser-plasma interaction physics for the development of plasma accelerators and radiation sources

用于开发等离子体加速器和辐射源的激光-等离子体相互作用物理学

• 批准号: 2598005
• 金额: --
• 依托单位: University of Strathclyde
• 依托单位国家: 英国
• 项目类别: Studentship
• 财政年份: 2021
• 资助国家: 英国
• 起止时间: 2021 至 无数据
• 项目状态: 未结题
• 来源: https://gtr.ukri.org/projects?ref=studentship-2598005
• 关键词: Laser; plasma; interaction; physics; development

High power lasers have emerged as an attractive driver for the generation of ultrabright pulses of high energy particles and radiation. The interaction of intense laser pulses with plasma results in beams of radiation with distinctive properties: multi-GeV electron beams, with tens to hundreds of pC charge, kA peak current, femtosecond duration and small energy spread; broadband proton beams with energy up to 100 MeV, picosecond duration bursts and ultralow emittance; high brightness bursts of tuneable THz, VUV and X-ray radiation.The project focuses on the fundamental physics of particle acceleration and radiation generation in intense laser-plasma interactions. It includes experimental investigations using the 350TW laser at the Scottish Centre for the Application of Plasma Accelerators (SCAPA) in the Physics department and external high power laser facilities at the Central Laser Facility in Oxfordshire and at several international laboratories. The project also involves numerical simulation of intense laser-plasma interaction phenomena, using ARCHIE-WeSt, to help guide the interpretation of experiment results.The objectives of the project are to:1. Investigate laser-plasma interaction physics for the development of plasma accelerators and radiation sources2. Explore new schemes for the optimisation and control of plasma-based acceleratorsThe student will contribute to the planning and delivery of experiments using the SCAPA 350 TW laser. The student will also travel when necessary to perform research using external large scale national and international laser facilities. The project also involves performing numerical simulations to assist in planning experiments and in the interpretation of experimental data and to numerically investigate the underpinning physics.

高功率激光器已成为产生高能量颗粒和辐射的超右脉冲的有吸引力的驱动力。强烈激光脉冲与等离子体的相互作用导致具有独特特性的辐射束：具有数十至数百个PC电荷的多GEV电子束，KA峰值电流，飞秒持续时间和较小的能量扩散；宽带质子梁，能量高达100 meV，持续时间爆发和超高发射；可调的THZ，VUV和X射线辐射的高亮度爆发。该项目着重于强烈的激光 - 等离子相互作用中粒子加速和辐射产生的基本物理。它包括使用苏格兰苏格兰中心在牛津郡中央激光设施和几个国际实验室的外部高功率激光器设施和外部高功率激光器设施以及在几个国际实验室中的外部高功率激光设施中使用350TW激光器的实验研究。该项目还涉及使用Archie-West的激光激光 - 等离子相互作用现象的数值模拟，以帮助指导实验结果的解释。该项目的目标是：1。研究激光 - 等离子相互作用物理学，以开发等离子体加速器和辐射源2。探索基于等离子体的加速器的优化和控制的新方案，学生将使用SCAPA 350 TW激光为计划和交付实验做出贡献。必要时，学生还将使用外部大型国家和国际激光设施进行研究。该项目还涉及进行数值模拟，以协助计划实验和解释实验数据并数值研究基础物理学。