Waves in planar waveguide containing chiral nihility metamaterial

Waves in planar waveguide containing chiral nihility metamaterial
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含有手性虚无超材料的平面波导中的波

DOI:
10.1016/j.optcom.2007.04.053
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发表时间:
2007-08
影响因子:
2.4
通讯作者:
Zhang, Chao
Zhang, Chao
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Cui, Tie Jun;Cheng, Qiang;Zhang, Chao

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研究了三层平板波导中的导波,其中一层填充空气,另两层填充手征介质。我们已经证明手征层中不存在电场。然而,由于电场和磁场之间的解耦,手性区域内的磁场是非零的。电场的消失是由于两个本征波在平面波导边界处的手征虚区中发生负反射而引起的。电磁能量只能在空气层中被引导远离源。仿真结果验证了我们的理论分析。
We investigate the guided waves in a three-layered planar waveguide, with one layer filled with air and the other two filled with the chiral nihility material. We have shown that no electric field exists in the chiral layers. However, the magnetic fields are nonzero within the chiral regions due to the decoupling between electric and magnetic fields. The disappearance of the electric field is caused by the negative reflections for two egienwaves in the chiral nihility at the boundaries of the planar waveguide. The electromagnetic energies can only be guided away from the source in the air layer. Simulation results have validated our theoretical analysis.
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