X‐ray Laue‐type monochromators are common and essential optical components at many high‐power X‐ray facilities, e.g. synchrotron facilities. The X‐ray optics of bent Laue crystals is a well developed area. An incident X‐ray beam penetrating a bent Laue crystal will result in a diffracted beam with different angles and energies. There is a need for a way of organizing the rays that allows one to sort out the energy and spatial properties of the diffracted beam. The present work introduces a new approach for describing the general behaviour of bent Laue crystals from a ray‐tracing point of view. This quasi‐monochromatic beam approach provides an intuitive view of bent‐crystal diffraction and leads to deeper understanding. It explains the energy and spatial properties of common and special cases of bent Laue optics, predicts phenomena that can improve energy‐dispersion‐related X‐ray imaging techniques and provides a theoretical framework that makes ray‐tracing simulation easier to realize.

中文翻译：

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弯曲的劳厄晶体解剖学：聚焦和能量分散特性的新见解

X射线劳厄型单色仪是许多大功率X射线设施中常见且必不可少的光学组件，例如同步加速器设施。弯曲的劳厄晶体的X射线光学器件是一个发达的领域。入射的X射线光束穿透弯曲的劳厄晶体，将导致衍射光束具有不同的角度和能量。需要一种使射线组织的方法，该方法允许人们整理出衍射束的能量和空间特性。本工作介绍了一种从射线追踪的角度描述弯曲劳厄晶体的一般行为的新方法。这种准单色光束方法提供了弯曲晶体衍射的直观视图，并导致了更深入的了解。它解释了弯曲劳厄光学器件常见和特殊情况的能量和空间特性，