带直角反射器的太赫兹等离子体-金属混合天线

宋哲; 刘玉宝; 赵欣悦; 阮久福; 尹治平

doi:10.11884/HPLPB201830.180015

带直角反射器的太赫兹等离子体-金属混合天线

doi: 10.11884/HPLPB201830.180015

宋哲^{1, 2,},
刘玉宝^{1, 3},
赵欣悦^{1, 2},
阮久福^1, ,,
尹治平¹

1.
合肥工业大学光电技术研究院, 合肥 230009
2.
合肥工业大学仪器科学与光电工程学院, 合肥 230009
3.
合肥工业大学电子科学与应用物理学院, 合肥 230009

基金项目:

国家自然科学基金项目 61501166

详细信息

作者简介:
宋哲(1993—)，男，硕士研究生，从事太赫兹等离子体天线研究；Zhesongak2550@163.com

通讯作者:
阮久福(1981—)，男，博士，硕士生导师，主要从事微波及太赫兹器件的设计及微加工研究；jfruan@hfut.edu.cn

中图分类号: TN823.17
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- 被引次数: 0
出版历程
- 收稿日期: 2018-01-12
- 修回日期: 2018-02-01
- 刊出日期: 2018-06-15

THz hybrid metal-plasma Yagi antenna with right-angle reflector

Song Zhe^{1, 2
,},
Liu Yubao^{1, 3},
Zhao Xinyue^{1, 2},
Ruan Jiufu^{1
, ,},
Yin Zhiping¹

1.
Academy of Photoelectric Technology, Hefei University of Technology, Hefei 230009, China
2.
School of Instrument Science and Opto-electronic Engineering, Hefei University of Technology, Hefei 230009, China
3.
School of Electronic Science and Applied Physics, Hefei University of Technology, Hefei 230009, China

摘要

摘要: 为了满足可工作于太赫兹频段以及较好的方向性和高增益的需求，在等离子体天线的基础上提出了新型等离子体-金属混合八木天线，在其中将反射振子替换为夹直角反射板。根据等离子体天线及八木天线设计理论，设计了该天线的结构并初步确定了其结构参数。通过电磁仿真研究了不同天线-顶点间距情况下天线的回波损耗、增益、电压驻波比和辐射方向图，最终实现了结构参数优化。与不带反射板的天线的对比结果表明，该结构具有更高的增益与更优的前后比。
- 等离子体 /
- 八木天线 /
- 反射板 /
- 方向图 /
- 增益
Abstract: A new kind of THz hybrid metal-plasma Yagi antenna has been proposed on the basis of plasma antenna to meet the requirements of good directivity and high gain, in which reflection oscillator is replaced by right-angle reflector. The structure is designed by the theory of plasma antenna and Yagi antenna, and the parameters are preliminarily determined. Then electromagnetic simulation is carried out to examine the performance parameters of the Yagi antenna, such as the return loss, gain, voltage standing wave ratio and radiation pattern, in which the condition of different distances between the vertex of angle reflector and dipole is considered. Contrasted with the antennas without angle reflector, the structure proposed in this article has much higher gain and better front-to-rear ratio.
- plasma /
- Yagi antenna /
- reflector /
- pattern /
- gain

HTML全文

图 1 夹直角反射器金属-等离子体混合八木天线的模型

Figure 1. Model of hybrid metal-plasma antenna with reflector

下载: 全尺寸图片幻灯片

图 2 夹直角反射器的侧视结构图

Figure 2. Side view of right angle reflector

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图 3 折合振子模型图

Figure 3. Model of folded dipole

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图 4 天线的回波损耗

Figure 4. Return loss of the antenna

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图 5 天线的三维辐射方向图和E面方向图

Figure 5. 3D and E-plane radiation patterns of antenna

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表 1 有反射板的天线在不同的S₁时各项性能的比较

Table 1. Performance comparison of antenna with reflector at different S₁

S₁	minimum return loss/dB	center frequency/GHz	gain/dB	VSWR	HPBW/(°)
0.25λ₀	-19.377	101.35	6.143	1.240	80.5
0.5λ₀	-48.448	102.13	8.541	1.008	52.6
0.75λ₀	-38.607	102.03	8.899	1.024	32.8
λ₀	-28.916	101.78	8.264	1.074	29.7
1.5λ₀	-27.273	102.09	11.7	1.090	14.4

下载: 导出CSV

表 2 无反射板的天线在不同的S₁时各项性能的比较

Table 2. Performance comparison of antenna without reflector at different S₁

S₁	minimum return loss/dB	center frequency/GHz	gain/dB	VSWR	HPBW/(°)
0.25λ₀	-29.929	101.26	5.939	1.094	105.7
0.5λ₀	-27.220	101.36	3.997	1.091	156.1
0.75λ₀	-22.129	100.55	5.140	1.170	107.7
λ₀	-23.734	100.65	4.531	1.139	126.4
1.5λ₀	-41.011	101.38	4.630	1.018	115.3

下载: 导出CSV

参考文献(12)

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