双曲面色散关系各向异性异向介质中的偏振敏感传输
Polarization-sensitive propagation in an anisotropic metamaterial with double-sheeted hyperboloid dispersion relation
摘要：
从纯波传播的角度研究了具有双曲面色散关系的各向异性异向介质（AMM）中的偏振敏感传输。我们表明，TE和TM偏振波呈现出显着不同的特性，这取决于偏振。在与AMM相关联的界面中可以发生全向全反射和斜向全透射。如果满足适当的条件，一个偏振波呈现全折射，而另一个呈现全反射。我们发现，通过旋转AMM的主轴，使得一个偏振波负折射，而另一个偏振波正折射，可以实现相反的两性折射。偏振敏感特性允许我们在一定条件下构造两种类型的高效偏振分束器。
英文摘要：
The polarization-sensitive propagation in the anisotropic metamaterial (AMM) with double-sheeted hyperboloid dispersion relation is investigated from a purely wave propagation point of view. We show that TE and TM polarized waves present significantly different characteristics which depend on the polarization. The omnidirectional total reflection and oblique total transmission can occur in the interface associated with the AMM. If appropriate conditions are satisfied, one polarized wave exhibits the total refraction, while the other presents the total reflection. We find that the opposite amphoteric refractions can be realized by rotating the principle axis of AMM, such that one polarized wave performs the negative refraction, while the other undergoes positive refraction. The polarization-sensitive characteristics allow us to construct two types of efficient polarizing beam splitters under certain achievable conditions.
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