Compared to the vacuum background, the electric field of the photonic crystals' surface wave with a non-uniform plasma background is decayed quicker and has a better localization in the background.
半无限一维光子晶体以非均匀等离子体为背景时，表面模的电场在背景中衰减的速度比其以真空为背景时更快，局域化更强。
参考来源 - 半无限一维光子晶体表面态的理论研究Chapter 2: The beam propagation of X-ray in an inhomogeneous plasma with a continuous varied refractive index is studied. We emphasize, theoretically and numerically, on the analysis of the effect of refractive index gradient on the beam parameters.
第二章：研究了X射线激光光束在折射率连续变化的非均匀等离子体介质中的传播，从理论和数值模拟上着重讨论了折射率梯度效应对光束参数的影响。
参考来源 - 激光光束的传输特性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
本文研究了无外加磁场时非均匀等离子体圆柱波导中横电波的传播问题。
The propagation problem of T. E. wave in unmagnetized inhomogeneous plasma-filled cylindrical wave guide is investigated.
导出了非均匀等离子体中线性波的色散方程，并在一些特殊情况下进行了讨论。
The general dispersion relation of the linear waves and its reduced form in certain particular eases are obtained.
在此模型中，把非均匀等离子体球分成若干个同心等离子体球壳，并且假定每一个同心壳层内等离子体密度均匀分布。
In this model, the nonuniform sphere is modeled by Numbers of concentric spherical shells, and each has a fixed electron density.
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