Solution to GW TEM-Circular Polarized TE11 Mode Converter Design for High Frequency Bands

Solution to GW TEM-Circular Polarized TE11 Mode Converter Design for High Frequency Bands
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GW TEM解决方案-高频段圆偏振TE11模式转换器设计

DOI:
10.1109/tmtt.2016.2616880
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发表时间:
2017-02
影响因子:
4.3
通讯作者:
Cai Dan
Cai Dan
中科院分区:
工程技术1区
文献类型:
--
作者:
Zhao Xuelong;Yuan Chengwei;Liu Lie;Peng Shengren;Zhou Hongyu;Cai Dan

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本文提出了一种紧凑型横向电磁模-圆极化TE11模式转换器的设计方案,该转换器具有高功率处理能力和高效率,特别是在高频段。分析表明,增加转炉臂的数量可以使转炉工作在过模状态。将解决工作在高频段的转换器功率容量低的问题。为了验证该方案的可行性,在一台20臂转换器上进行了仿真和实验,结果表明,该转换器可以在2-3个自由波长范围内有效地将瞬变模式转换为CPT模式,功率容量为千兆瓦(GW)级。此外,这种转换器还可用于功率合成技术中起关键作用的低频或高频GW横电磁波移相器的设计。
The solution utilized to design a compact transverse electromagnetic mode (TEM)-CPT (circular polarized TE11) mode converter with high power handling capability and high efficiency, especially at high frequency bands is proposed in this paper. The analysis shows that increasing the quantity of the arms of the converter could make the converter work under overmoded state. The problem that the power capability of the converter working at high frequency bands is low will be addressed. To verify the feasibility of this solution, simulations and experiments on a 20 arms converter are carried out, and the results show that the converter would convert the TEM mode into CPT mode efficiently in a 2–3 free wavelengths longitudinal size and that the power capability is in gigawatt (GW) class. Moreover, this kind of converter can also be utilized in the design of GW TEM phase shifter, whether at low or high frequency bands, which plays a key role in the power combining technology.
在 S、C 和 X 波段重复操作的长脉冲 HPM 源的最新进展
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