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Dipole-wave theory of electromagnetic diffraction

机译:电磁衍射的偶极波理论

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A theory of diffraction is presented which systematically employs the wave approach used in the Kirchhoff method and, unlike the Kirchhoff integral, does not have severe applicability limitations. The diffraction problem is solved by using the Hertz vector instead of the field vector used in the Kirchhoff integral. The basic diffraction problems for linearly, radially, and azimuthally polarized radiation are solved analytically. The key qualitative feature of the solutions is the presence of 'poles'-zero field points within the diffraction pattern of light and dark fringes. The poles lie along the direction of the electric field vector. The solutions obtained satisfy the Maxwell equations and the reciprocity principle.
机译:提出了一种衍射理论,该理论系统地采用了在Kirchhoff方法中使用的波动方法,并且与Kirchhoff积分不同,它没有严格的适用性限制。通过使用赫兹向量代替基尔霍夫积分中使用的场向量解决了衍射问题。线性,径向和方位极化辐射的基本衍射问题已通过解析得到解决。解决方案的主要定性特征是在亮条纹和暗条纹的衍射图中存在“极点”-零场点。磁极沿着电场矢量的方向。获得的解满足麦克斯韦方程和互易原理。

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