开发用于混合辐射源的多功能桌面kHz速率激光等离子加速器的进展
Applied optics
|August 12, 2025
概括
研究人员使用kHz激光脉冲和液体目标实现了高重复率相对论激光等离子相互作用 (RLPI). 这使得机器学习能够控制各种应用的混合辐射源.
科学领域:
- * 基本的高场物理.
- * 相对论激光与等离子体相互作用 (RLPI)
背景情况:
- *RLPI将粒子加速到相对论速度,这对能源,太空和国防至关重要.
- *现有的方法往往缺乏高的重复率,限制了实际应用.
研究的目的:
- *使用kHz重复率激光系统来证明RLPI.
- * 开发与kHz兼容的液体目标和诊断.
- * 实施机器学习,实时控制混合辐射源.
主要方法:
- *使用桌面激光系统 (∼10 mJ,40 fs脉冲,kHz频率).
- *使用了符合kHz重复率的液体目标 (微喷射,滴滴,片).
- * 开发了高重复率诊断和实时反循环.
主要成果:
- * 已证明RLPI可以在kHz频率下产生中子,X射线,MeV电子和质子.
- * 实现了基于机器学习的混合辐射输出控制.
- * 描述了二次辐射,并开发了数据分析技术.
结论:
- * 建立了一个高重复率RLPI的多功能平台.
- * 启用实时反和ML控制,用于混合辐射生成.
- *为科学和工业的先进应用铺平了道路.
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