Topology optimization and experimental verification of compact E-plane waveguide filters

Daniel Gert Nielsen*, Søren Damgaard Pedersen, Vitaliy Zhurbenko, Villads Egede Johansen, Ole Sigmund, Niels Aage

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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This article presents a numerical method to design compact E-plane waveguide filters. The key feature of the proposed method is that the conducting layout of the filters is automatically determined based on a desired filter characteristic. This extreme level of design freedom is obtained using the numerical optimization technique called topology optimization. The filters are complex in shape but easy to mass-produce with low-cost conventional methods. The method is verified experimentally by measurement of responses similar to the numerical predictions.
Original languageEnglish
JournalMicrowave and Optical Technology Letters
Issue number5
Pages (from-to)1208-1215
Publication statusPublished - 2019


  • Compact filters
  • E-plane filters
  • Rectangular waveguide
  • Topology optimization


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