Researchers working in these areas would benefit from greater understanding of the diffraction phenomena involved.

在这些地区工作的研究人员将受益于更大的理解包含的折射现象。

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The diffraction phenomena by a circular aperture or a phase plate is analyzed by the boundary diffraction wave theory, the analytic expression of its axial intensity is obtained.

本文根据边界波衍射理论分析了圆孔及相位片的衍射现象，得出其轴上光强的解析表达式，并对高斯光束经相位片衍射后的轴上光强进行了数值计算和讨论。

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Maxwell equations: Lorentz force, plane electromagnetic waves, radiation, light waves, reflexion, refraction, Huyghens principle, diffraction, interference phenomena.

麦克斯韦方程组：洛仑兹力，平面电磁波，辐射，光波，反射，折射，惠更斯原理，衍射，干涉现象。

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