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Spherical-wave X-ray dynamical diffraction Talbot effect inside a crystal.
Acta Crystallographica Section A: Foundations and Advances ( IF 1.9 ) Pub Date : 2020-06-01 , DOI: 10.1107/s2053273320005781 Minas K Balyan 1 , Levon V Levonyan 1 , Karapet G Trouni 2
Acta Crystallographica Section A: Foundations and Advances ( IF 1.9 ) Pub Date : 2020-06-01 , DOI: 10.1107/s2053273320005781 Minas K Balyan 1 , Levon V Levonyan 1 , Karapet G Trouni 2
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Two‐wave dynamical diffraction of an X‐ray spherical wave in a crystal, when the wave passes through an object with a periodic amplitude transmission function, is considered. The behavior of the diffracted wave (spherical‐wave Talbot effect) in the crystal is investigated. The Talbot effect inside the crystal is accompanied by the focusing effect and the pendulum effect. Peculiarities of the effect before the focus point, in the focusing plane and in the region after the focus point inside the crystal are revealed. An expression is found for the Talbot depth and the spherical‐wave Talbot effect in these three regions is investigated. The spherical‐wave dynamical diffraction Talbot effect in a crystal is compared with the classical spherical‐wave Talbot effect and also with spherical‐wave effects inside the crystal without a periodic object.
中文翻译：
晶体内部的球面X射线动态衍射Talbot效应。
当晶体中的X射线球面波通过具有周期性振幅透射函数的物体时，可以考虑对其进行两次波动态衍射。研究了晶体中衍射波的行为（球面波Talbot效应）。晶体内部的Talbot效应伴随着聚焦效应和摆效应。揭示了晶体内部聚焦点之前，聚焦平面中和聚焦点之后区域中特有的效果。找到了塔尔伯特深度的表达式，并研究了这三个区域中的球波塔尔伯特效应。将晶体中的球形波动态衍射Talbot效应与经典的球形波Talbot效应以及晶体内部没有周期性物体的球形波效应进行了比较。
更新日期：2020-07-01
中文翻译：
晶体内部的球面X射线动态衍射Talbot效应。
当晶体中的X射线球面波通过具有周期性振幅透射函数的物体时，可以考虑对其进行两次波动态衍射。研究了晶体中衍射波的行为（球面波Talbot效应）。晶体内部的Talbot效应伴随着聚焦效应和摆效应。揭示了晶体内部聚焦点之前，聚焦平面中和聚焦点之后区域中特有的效果。找到了塔尔伯特深度的表达式，并研究了这三个区域中的球波塔尔伯特效应。将晶体中的球形波动态衍射Talbot效应与经典的球形波Talbot效应以及晶体内部没有周期性物体的球形波效应进行了比较。
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