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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Applications of spoof planar plasmonic waveguide to frequency-scanning circularly polarized patch array
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Applications of spoof planar plasmonic waveguide to frequency-scanning circularly polarized patch array

机译：恶性平面等离子体波导在圆偏振贴片阵列频率扫描中的应用

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摘要

Spoof planar plasmonic waveguides (SPPWs) show potential applications in many microwave and terahertz systems, e.g. imaging, communication and sensing, due to their capability of highly confining spoof surface plasmon polaritons (SPPs) and relatively low propagation loss. Meanwhile, efficient electromagnetic emission from the SPPWs is one of the dominant factors in the practical applications. In this article, we demonstrate a beam-scanning circularly polarized (CP) antenna based on the SPPW of blind-hole array, which can efficiently convert spoof SPPs propagating in the SPPW into free-space emissions. Several centre-inclined rectangular patches are adopted to achieve the CP emission. The antenna array was designed and fabricated in the microwave frequency band, and the measured results validate the good emission performance of the proposed array, e.g. high gain and wide-scan angle. Finally, the proposed idea can be further extended into the terahertz frequency band.
机译：欺骗平面等离激元波导（SPPW）在许多微波和太赫兹系统中显示出潜在的应用，例如成像，通信和传感，因为它们具有高度限制欺骗性表面等离振子极化子（SPP）的能力和相对较低的传播损耗。同时，SPPW的有效电磁发射是实际应用中的主要因素之一。在本文中，我们演示了一种基于盲孔阵列SPPW的波束扫描圆极化（CP）天线，该天线可以有效地将SPPW中传播的欺骗性SPP转换为自由空间发射。采用几个中心倾斜的矩形块来实现CP发射。天线阵列是在微波频带中设计和制造的，测量结果验证了所提出的阵列的良好发射性能，例如：高增益和宽扫描角度。最后，提出的想法可以进一步扩展到太赫兹频段。

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