| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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High-Efficiency Wide-Band Cross-Polarization Conversion Using Bi-layered Metal Hole Pairs |
| Yong Zhang**, Xian-Ke Li, Cheng-Ping Huang** |
Department of Physics, School of Physical and Mathematical Sciences, Nanjing Tech University, Nanjing 211816
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| Cite this article: |
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Yong Zhang, Xian-Ke Li, Cheng-Ping Huang 2018 Chin. Phys. Lett. 35 104204 |
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Abstract We present a polarization converter composed of bi-layered metal films perforated with rectangle hole pairs in each film. The proposed converter can convert the polarization of an incident linearly-polarized electromagnetic wave to its orthogonal direction with high efficiency and large bandwidth in the infrared or microwave regions. To make sure of the mechanism of polarization conversion, the current and electric-field distributions at different resonant frequencies are analyzed. It is found that the cross-polarized transmission is due to the near-field coupling between hole pairs in neighboring metal films. Finally, a prototype of the proposed converter is fabricated and measured in the microwave region. Good agreement between the experimental and simulated results is obtained.
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Received: 12 June 2018
Published: 15 September 2018
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| PACS: |
42.25.Bs
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(Wave propagation, transmission and absorption)
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42.25.Ja
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(Polarization)
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42.79.Ag
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(Apertures, collimators)
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