椭圆偏振波的散射矩阵
Scattering matrix of elliptically polarized waves
摘要：
我们分析了两种不同材料之间的平面界面垂直入射的椭圆偏振平面波的散射，我们考虑两种情况：介质-介质和介质-导体界面。在这两种情况下的散射矩阵S获得使用的边界条件和坡印亭定理。在介电-介电的情况下，我们使用两种不同的基来写S，通常的xy和旋转基。对于介电-导体界面，使用旋转基与能量平衡参数一起导致我们以自然的方式在认识到需要引入两个等效寄生通道（由于导体中的耗散）之后构建酉S矩阵，并且这些寄生通道的传输系数测量吸收强度。
英文摘要：
We analyze the scattering of elliptically polarized plane waves normally incident at the planar interface between two different materials; we consider two cases: dielectric-dielectric and dielectric-conductor interfaces. The scattering matrix S in both cases is obtained using the boundary conditions and Poynting's theorem. In the dielectric-dielectric case we write S using two different basis, the usual xy and a rotated one. For the dielectric-conductor interface, the use of the rotated basis together with an energy balance argument leads us, in a natural way, to construct a unitary S matrix after recognizing the need to introduce two equivalent parasitic channels due to dissipation in the conductor, and the transmission coefficient into these parasitic channels measures the absorption strength.
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