微束斑X射线源及X射线光学元件

Microfocal x-ray source and x-ray optical elements

  • 摘要: 高质量的X射线源,尤其高亮度的微纳束斑X射线源是现代X射线光学高清晰成像最为关键的部件之一,在工业无损探伤、生命科学、材料科学等科学研究和实际应用中具有重要的意义。简单介绍了微束斑X射线源的产生方法及发展历史,并对微束X射线光学涉及到的聚焦X射线光学元件(如X射线掠入射反射镜、布拉格法反射镜、多层膜反射镜、多层膜光栅、X射线波带片、毛细管聚焦透镜和复合折射透镜等)的主要特点作了简要的系统介绍。最后展望了微细束X射线在微纳检测与分析等方面的应用前景。

     

    Abstract: The high quality x-ray sources, especially for the microfocal x-ray source with high-brightness are crucial components for modern x-ray imaging techniques. They are widely used in applications such as non-destructive diagnostics, lifescience, material science, and biomedicine. The methods to make the microfocal x-ray source and its applications are briefly introduced. Various focusing x-ray optical elements related to microfocal x-ray, including Kirkpatrick-Baez mirror, multilayer mirror, Fresnel zone plate, Bragg-Fnesnel zone plate, polycapillary x-ray lens, multilayer blazed grating, compound refractive x-ray lens, are introduced. The potential applications for the microfocal x-ray source in mircometer and nanometer test and analysis are discussed.

     

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