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In the past two decades, terahertz (THz) research has made notable strides. Designing lightweight, compact, and affordable metamaterials for many purposes is the present pinnacle of research. Filtenna is derived by combining the two basic functional units, filter and antenna. The combination of the antenna and filter into a single device to meet radiation and filtering tasks has been made necessary by the need to reduce the system size, cost, and complexity. THz photoconductive, THz microstrip, THz horn, THz lens, and THz on-chip antennas are some of the most recent developments in THz antenna research. The design and simulation of a square in the pentagon (SP)-shaped patch antenna with a THz resonant frequency (fr) using COMSOL Multiphysics is proposed here. The PTFE (polytetrafluoroethylene) material is used as the substrate, and the radiating patch is copper. The proposed SP filtenna resonates at 5.6 THz, and RL is found to be −13.11 dB at 5.6 THz. The gain of the suggested SP filtenna is 2.86 dB, while the directivity is 7.51 dB, and VSWR is 1.4. The proposed SP filtenna finds applications in 6G communication, many medical applications like biomedical and security screening, etc.

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Design of SP Terahertz Filtenna Using Frequency-Selective Surface for High Data Rate Communication

  • 章节

  • 发表日期：

    2025年

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  • K. Sagadevan,
  • Elizabeth Caroline Britto,
  • Sathish Kumar Danasegaran,
  • Mohamed Nizar

摘要

In the past two decades, terahertz (THz) research has made notable strides. Designing lightweight, compact, and affordable metamaterials for many purposes is the present pinnacle of research. Filtenna is derived by combining the two basic functional units, filter and antenna. The combination of the antenna and filter into a single device to meet radiation and filtering tasks has been made necessary by the need to reduce the system size, cost, and complexity. THz photoconductive, THz microstrip, THz horn, THz lens, and THz on-chip antennas are some of the most recent developments in THz antenna research. The design and simulation of a square in the pentagon (SP)-shaped patch antenna with a THz resonant frequency (fr) using COMSOL Multiphysics is proposed here. The PTFE (polytetrafluoroethylene) material is used as the substrate, and the radiating patch is copper. The proposed SP filtenna resonates at 5.6 THz, and RL is found to be −13.11 dB at 5.6 THz. The gain of the suggested SP filtenna is 2.86 dB, while the directivity is 7.51 dB, and VSWR is 1.4. The proposed SP filtenna finds applications in 6G communication, many medical applications like biomedical and security screening, etc.