圆形完美电磁导体盘对伪非衍射贝塞尔光束的衍射

Husnu Deniz Basdemir
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引用次数: 0

摘要

本研究探讨了完美电磁盘对伪非衍射贝塞尔光束的衍射。根据问题的几何形状和相关边界条件写出了几何光学光束波。衍射光束波是利用几何光学和衍射波在过渡边界的关系,并考虑到散射波的高频渐近表达式而得出的。利用衍射法的均匀几何理论,用菲涅尔函数来表示均匀散射光束波。因此,在过渡边界读出了有限幅度。最后,针对不同的参数组,对所获得的均匀表达式进行了数值研究。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Diffraction of a pseudo nondiffracting Bessel beam by a circular perfect electromagnetic conductor disk
This study examined the diffraction of a pseudo nondiffracting Bessel beam by a perfect electromagnetic disk. The geometric optics beam waves were written from the geometry of the problem and related boundary conditions. The diffracted beam waves were derived by utilizing the relation between geometric optics and diffracted waves at the transition boundaries, considering the high frequency asymptotic expression of the scattered wave. The uniform scattered beam waves were expressed in terms of Fresnel functions with the uniform geometrical theory of the diffraction method. Thus, finite magnitudes were read at the transition boundaries. Finally, the obtained uniform expressions were investigated numerically for different groups of parameters.
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