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柔软的X射线微焦光束线采用双晶/多层格单色化器

Matthias Müller¹, Janin Lubeck¹, Michael Krumrey¹

¹Physikalisch-Technische Bundesanstalt (PTB), Abbestraße 2-12, 10587 Berlin, Germany.

The Review of scientific instruments

|September 10, 2025

概括

一个新的X射线光线线提供从1-10 keV的单色辐射,微聚焦到5x7 μm. 这种先进的设置支持高分辨率光谱,显微镜,散射和放射测量.

科学领域:

同步射线辐射和X射线光学
材料科学和光谱学材料科学和光谱学

背景情况:

德国物理技术联合工厂 (PTB) 运营着BESSY II电子存储环,这是先进光子科学的一个关键设施.
开发多功能X射线光束线对于使各种科学领域的尖端研究成为可能至关重要.

研究的目的:

介绍BESSY II.新型X射线光束线的设计和调试结果.
描述一条优化用于高分辨率X射线光谱,显微镜,散射和放射测量的新光束线的性能.

主要方法:

实现混合单色器,结合平面格子模块 (高达4 keV) 和双晶模块 (2.4-10 keV).
使用Kirkpatrick-Baez光学来产生微焦点,实现最小点尺寸为5 × 7 μm2.
调试实验以确定光束线性能参数,包括能量范围,分辨率和焦点大小.

主要成果:

束线提供单色X射线辐射在1-10 keV的能量范围.
获得了20微米的典型焦点大小,至少5×7微米2.
梁线成功通过了调试,并已用于科学用途.

结论:

在PTB BESSY II的新X射线光束线是适用于广泛的X射线应用的多功能仪器.
它的先进光学设计使高分辨率测量和微焦点实验成为可能.
梁线成功投入使用意味着它已准备好推进科学研究.

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