Compact millimeter-wave air-filled substrate-integrated waveguide crossover employing homogeneous cylindrical lens

Chun GENG; Jiwei LIAN; Dazhi DING

doi:10.1631/FITEE.2200454

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Compact millimeter-wave air-filled substrate-integrated waveguide crossover employing homogeneous cylindrical lens

Regular Papers | Updated：2023-09-21

- Compact millimeter-wave air-filled substrate-integrated waveguide crossover employing homogeneous cylindrical lens
- 基于均匀柱面透镜的紧凑型毫米波空气填充基片集成波导交叉电桥
- Frontiers of Information Technology & Electronic Engineering Vol. 24, Issue 9, Pages: 1366-1374(2023)
- Affiliations：
  
  1.Qian Xuesen College, Nanjing University of Science and Technology, Nanjing 210094, China
  2.School of Microelectronics (School of Integrated Circuits), Nanjing University of Science and Technology, Nanjing 210094, China
  3.State Key Laboratory of Millimeter Waves, Southeast University, Nanjing 210096, China
- Author bio：
  
  ‡Corresponding author
- Funds：
- DOI：10.1631/FITEE.2200454
  CLC：
- Received：12 October 2022，
  
  Revised：2023-04-18，
  
  Accepted：18 April 2023，
  
  Published：0 September 2023
- Accepted：
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Chun GENG, Jiwei LIAN, Dazhi DING. Compact millimeter-wave air-filled substrate-integrated waveguide crossover employing homogeneous cylindrical lens[J]. Frontiers of Information Technology & Electronic Engineering, 2023, 24(9): 1366-1374.
DOI：

Chun GENG, Jiwei LIAN, Dazhi DING. Compact millimeter-wave air-filled substrate-integrated waveguide crossover employing homogeneous cylindrical lens[J]. Frontiers of Information Technology & Electronic Engineering, 2023, 24(9): 1366-1374. DOI： 10.1631/FITEE.2200454.

摘要

提出一种利用嵌入式均匀柱面透镜设计交叉电桥的新方法。与传统交叉电桥设计相比，该方法在空气填充的基片集成波导交叉腔内引入一个均匀柱面透镜，将入射波导向指定方向。根据射线追踪法，引入的均匀柱面透镜可以在不提高加工复杂度和面积的前提下，有效束缚从输入端传输到输出端的电磁波。详细阐述了该方法的工作机理，并通过电场分布进一步予以验证。利用空气填充基片集成波导技术，研制了工作在毫米波频段的二、三、四通道交叉电桥，验证了所提方法的可行性。同时引入过渡结构，便于实验测量。研究发现二、三、四通道空气填充基片集成波导交叉电桥仿真带宽分别为33%、14%和10%，其核心尺寸分别为0.74

×0.74

、1.43

×1.43

和1.90

×1.90

。最后，为进一步阐述本文方法的优势，将其与公开文献中的类似方法进行了比较。

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references

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