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首页> 外文期刊>Physica, B. Condensed Matter >Transverse electric (TE) and transverse magnetic (TM) X-ray guided modes in a two-layer crystalline heterostructure: A comparison
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Transverse electric (TE) and transverse magnetic (TM) X-ray guided modes in a two-layer crystalline heterostructure: A comparison

机译:两层晶体异质结构中的横向电(TE)和横向磁(TM)X射线导模:比较

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摘要

Polarization effects upon Bragg-case hard X-ray dynamical diffraction in a two-layer crystalline heterostructure waveguide have been investigated with the help of numerical modeling. A difference is shown to exist in both intensities and excitation conditions between TE (transverse electric) and TM (transverse magnetic) X-ray guided modes that are inherent to the waveguide. A comparison of σ- and π-polarized X-ray reflectivity curves from such a waveguide is performed. Possibilities for the experimental excitation of the TE and TM X-ray guided modes are discussed.
机译:在数值模拟的帮助下,研究了两层晶体异质结构波导中布拉格情形硬X射线动态衍射的偏振效应。示出了在波导固有的TE(横向电)和TM(横向磁)X射线引导模式之间在强度和激发条件上都存在差异。比较了来自这种波导的σ和π偏振X射线反射率曲线。讨论了在TE和TM X射线引导模式下进行实验激发的可能性。

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