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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >Prototype TM_(01) mode launcher by using Pagoda-shaped geometry in circular waveguide for microwave plasma interaction experiments at SYMPLE
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Prototype TM_(01) mode launcher by using Pagoda-shaped geometry in circular waveguide for microwave plasma interaction experiments at SYMPLE

机译：通过在圆形波导中使用塔形几何形状的原型TM_（01）模式发射器进行SYMPLE的微波等离子体相互作用实验

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摘要

SYstem for Microwave PLasma Experiments (SYMPLE) is an experimental system to investigate the physics of linear and nonlinear interaction of high-power microwave (HPM) with plasma in the Institute for Plasma Research (IPR), Gandhinagar, India. The objective of this paper was to present the designing and development of coaxial TEM to TM01 mode launcher in the circular waveguide for microwave plasma interaction experiments at SYMPLE. TEM mode was converted into TM01 mode by using aluminum made circular Pagoda-shaped geometry. TM01 mode launcher was hence successfully designed and developed. 3D full-wave electromagnetic solver was used to analyze and optimize the outcomes. The proposed configuration of mode launcher achieved the bandwidth of 658 MHz for S-11 < -10 dB. The maximum value of achieved return loss was similar to 40 dB while insertion loss was similar to 0 dB at 3 GHz, which verified the similar to 100% transmission of power without any reflections. Mode purity was also verified by field distribution in the circular waveguide.
机译：微波等离子体实验系统（SYMPLE）是一个实验系统，用于研究印度甘地纳加尔等离子体研究所（IPR）中高功率微波（HPM）与等离子体的线性和非线性相互作用的物理原理。本文的目的是介绍在圆波导中用于SYMPLE微波等离子体相互作用实验的同轴TEM至TM01模式发射器的设计和开发。通过使用铝制圆形宝塔形几何图形，将TEM模式转换为TM01模式。因此，成功设计并开发了TM01模式启动器。使用3D全波电磁求解器来分析和优化结果。对于S-11 <-10 dB，模式启动器的建议配置实现了658 MHz的带宽。在3 GHz时，实现的回波损耗的最大值与40 dB相似，而插入损耗与0 dB相似，这证明在没有任何反射的情况下，类似于100％的功率传输。模式纯度还通过圆形波导中的场分布进行了验证。

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