A Compact Broadband Transparent Waveguide Window Based on Low-Loss Cyclic Olefin Copolymer

A Compact Broadband Transparent Waveguide Window Based on Low-Loss Cyclic Olefin Copolymer
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基于低损耗环烯烃共聚物的紧凑型宽带透明波导窗

DOI:
10.1109/lmwc.2020.2974681
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发表时间:
2020-04
影响因子:
3
通讯作者:
Xue Quan
Xue Quan
中科院分区:
工程技术2区
文献类型:
--
作者:
Chen Haidong;Zheng Shimin;Che Wenquan;Luo Zhewen;Xue Quan

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本文提出了基于低损耗环烯烃共聚物(COC)的紧凑型波导窗口的概念,它考虑了宽带性能、透明性、足够的机械强度和简单的机械加工的特点,通过简单地将加工的双折射型COC晶体集成到修改的波导中。为了验证我们的想法,我们设计并制作了两个由内夹具和外夹具组成的波导窗口。在Ka波段,用两个应变矩形波导沿着测量了这两种波导窗口,在42.8%的相关频率范围内回波损耗优于18.5 dB,在49%的相关频率范围内回波损耗优于20 dB。测量结果表明,所提出的概念,这是一个很好的候选人在毫米波频率或更高的宽带应用的优点。
The concept of compact waveguide window based on the low-loss cyclic olefin copolymer (COC) is proposed in this letter, which considers the characteristics of broadband performance, transparency, sufficient mechanical strength, and simple mechanical process, by simply integrating the machined bipyramids-type COC dielectrics into the modified waveguide. To verify our idea, two waveguide windows consisting of internal dielectrics and external fixtures are designed and fabricated. The two types of waveguide windows are measured along with two strain rectangular waveguides at the Ka-band with the return loss better than 18.5 dB over the related frequency range of 42.8% and better than 20 dB over the related frequency range of 49%, respectively. The measured results show the advantages of the proposed concept, which is an excellent candidate for broadband application at a millimeter-wave frequency or higher.
毫米波至亚毫米波多频段高功率宽带窗的研究
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