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94GHzTE5,3准光辐射器

Keywords: 94回旋管,模式变换器,准光技术

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Abstract:

基于耦合波理论和相位匹配技术,对准光辐射器的传统设计方法进行了改进,使其适用于低阶模式的设计.通过调节耦合时模式间的相位,在切口处实现了具有高斯场分布的理想模式组合.利用这一方法,优化设计了一个94GHz,TE5,3回旋管准光辐射器.数值模拟结果表明,设计的辐射器在切口处形成了一个良好的束斑,边馈电平达到-30dB,口径场高斯含量高于98%.

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