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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Imaging of the energy flow in the three-beam case of X-ray diffraction
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Imaging of the energy flow in the three-beam case of X-ray diffraction

机译：X射线衍射三束情况下的能量流成像

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摘要

A new kind of topographic experiment is presented which makes it possible to depict the energy flow in the three-beam case of diffraction in Laue-Laue geometry. The crystal is illuminated by a highly collimated x-ray beam which is reduced in both cross-section dimensions (pinhole topography). These experiments allow the investigation of the dynamical interaction of the three diffracted waves in three-beam interference and also allow the predictions of the theory to be tested. The results are discussed with reference to the dispersion surface and are compared with the images taken in the arrangement for conventional slit limited section topography.
机译：提出了一种新型的地形实验，它使得在劳厄-劳厄几何学中描述三束衍射情况下的能量流成为可能。晶体由高度准直的X射线束照射，该X射线的两个横截面尺寸均减小（针孔形貌）。这些实验可以研究三束干涉中三个衍射波的动力学相互作用，还可以测试该理论的预测。参考分散表面讨论了结果，并将结果与​​常规狭缝有限截面地形图中的图像进行了比较。

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