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通过277 eV的多毛细状半透镜进行合.

Jürgen Probst, Heike Löchel, Markus Thiel

    Optics express
    |September 15, 2023
    PubMed
    概括

    一个半截的多毛细状透镜 (PCL) 能有效地聚合277 eV的软X射线,实现低角度分歧. 这一进步提高了用于软X射线计量应用的光子流量密度.

    科学领域:

    • 光学和光子学 在光学和光子学.
    • 射线光学X射线光学
    • 材料科学 材料科学 材料科学

    背景情况:

    • 软X射线应用需要精确的光束控制.
    • 多毛囊镜头 (PCL) 用于X射线聚焦和聚合.
    • 低能软X射线的高效对接是一个挑战.

    研究的目的:

    • 用一半的多毛细状透镜 (PCL) 来证明软X射线的高效聚合.
    • 为了描述聚合软X射线束的角分歧和强度分布.
    • 评估PCL减半在桌面计量学中的潜力.

    主要方法:

    • 使用一半的多毛细状透镜 (PCL),由玻璃酸盐制成,用于柔软的X射线聚合 (277 eV).
    • 在PCL焦点中使用电子激发的微光辐射进行实验测量.
    • 开发并使用了一种新的光线跟踪代码进行模拟和比较.
    • 应用了分析适合模型来分析3D强度分布.

    主要成果:

    • 在发射的软X射线束的远场中实现了 (6.9 ± 0.2) mrad的角分歧.
    • 模拟证实了对≈5μm源大小的实验结果.
    • 与未结合的辐射相比,光子流量密度被增强了约3090的因素.

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  • 描述了三维强度分布的演变.

    • 结论:

    • 分半的多毛细状透镜 (PCL) 是一种有效的工具,用于合软X射线.
    • 开发的光线跟踪代码和分析模型准确地描述了光束特征.
    • 减半的PCL显示出承诺,作为软X射线光学元件桌面计量学的多功能组件.