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首页> 外文会议>2017 15th International Conference on Quality in Research : International Symposium on Electrical and Computer Engineering >Broadband planar bow-tie antenna on high resistivity silicon substrate for terahertz application
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Broadband planar bow-tie antenna on high resistivity silicon substrate for terahertz application

机译：用于太赫兹应用的高电阻率硅衬底上的宽带平面领结天线

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摘要

Terahertz (THz) wave frequency region is part of the electromagnetic spectrum. This spectrum is located between 0.3 THz to 10 THz or between radio waves and optics. The THz frequency region has potentials in many different applications, such as imaging, spectroscopy, and wireless communication. However, some problems are still remaining and should be solved to develop THz technology system for an actual use, such as expensive fabrication facilities, lack of recent device performances, and low speed measurement process. This research proposes a bow-tie antenna in the THz region to provide wideband bandwidth for THz broadband applications. This antenna uses high resistivity Silicon material a substrate and Gold metal layer in a specified pattern as a radiating element. The initial bow-tie antenna design is elaborated by combining a capacitive bar technique placed near the antenna feed gap to improve return loss and wide bandwidth. This research is conducted by using the calculation method to analyze the initial antenna model and simulation by using commercial simulator software of CST Microwave studio to perform design optimization. The initial antenna before combined with the capacitive bar has a resonant frequency of 1 THz with return loss (RL) at -11.758 dB, and bandwidth 114.6 GHz from VSWR equal 2. The results from the THz bow-tie antenna combined with the capacitive bar show resonant frequency at 1 THz with RL at -40 dB, and bandwidth 457.47 GHz from VSWR equal 2. The capacitive bar technique has been successfully improved more bandwidth and better resonant frequency at 1 THz.
机译：太赫兹（THz）波频率范围是电磁频谱的一部分。此频谱位于0.3 THz至10 THz之间或在无线电波和光学器件之间。太赫兹频率区域在许多不同的应用中都具有潜力，例如成像，光谱学和无线通信。但是，仍然存在一些问题，应开发实际应用的THz技术系统，例如昂贵的制造设备，缺乏最新的设备性能以及低速测量过程等。这项研究提出了在THz区域中的领结天线，以为THz宽带应用提供宽带带宽。该天线使用高电阻率的硅材料，基板和指定图案的金金属层作为辐射元件。最初的领结天线设计是通过结合放置在天线馈电间隙附近的电容条技术来改进的，以改善回波损耗和宽带宽。本研究采用计算方法对初始天线模型进行分析，并利用CST Microwave studio的商业仿真器软件进行设计优化。结合电容棒的初始天线的谐振频率为1 THz，回波损耗（RL）为-11.758 dB，VSWR的带宽114.6 GHz等于2。THz领结天线与电容棒结合的结果展示了在1 THz处的谐振频率和RL在-40 dB时，VSWR的带宽457.47 GHz等于2。电容棒技术已成功地改善了1 THz处的带宽和谐振频率。

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