X射线发生器
利用超短高能激光脉冲产生 X 射线是一项极具吸引力的技术,在工业、医学和材料科学领域均有应用。具体而言,所产生的辐射可用于 X 射线光谱分析和衍射测量。
飞秒激光脉冲具有独特的优势,能够产生具有飞秒时间分辨率和埃级空间分辨率的 X 射线。这使得直接观察各类材料中原子级别的结构变化成为可能,为研究动态过程提供了关键见解。值得注意的是,飞秒激光器产生的 X 射线可与同步辐射装置产生的 X 射线相媲美。然而,飞秒激光系统更为简单、紧凑且易于获取,这使其能应用于更广泛的场景。
所产生 X 射线的亮度与激光重复频率呈线性关系。高重复频率、高平均功率的飞秒激光器能够达到与多毫焦脉冲激光源相当的亮度和转换效率。这使得 CARBIDE 和 PHAROS 等飞秒激光器成为开发紧凑型桌面 X 射线源的理想选择。
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Valence band electronic structure of the van der Waals antiferromagnet FePS3
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X射线发生器
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X射线发生器