Analysis of Resonator on Reconfigurable Folded Dipole Antenna from Infrared Photodiode

Aslam Chitami Priawan Siregar*, Yono Hadi Pramono, Gatut Yudoyono

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

A folded dipole antenna is made with a microstrip structure that can work at a frequency of 9.02 GHz. This frequency is located in the Super High Frequency (SHF) region. It consists of copper and FR-4. A Reconfigurable folded dipole antenna is made by installing photodiodes on the right and left sides. This photodiode is irradiated with 808 nm, 200 mW infrared light. Based on the simulation results, the working frequency has decreased from 9.02 GHz to 6.60 GHz. However, based on the measured results, the working frequency has increased from 13.859 GHz to 14.851 GHz. Based on these results, the frequency changes between the simulation and measured results are not the same. Next, a resonator is installed on the folded dipole antenna to reduce the error between the simulation and measuring methods. It is because the electromagnetic waves of the antenna can be reflected by the resonator. Based on the simulation results, the working frequency has decreased from 10.78 GHz to 2.56 GHz. However, based on the measured results the working frequency decreased from 12.510 GHz to 4.861 GHz. In addition, based on the simulation results, gain increased from 2.384 dBi to 4.133 dBi before infrared irradiation and from -2.306 dBi to 2.525 dBi after infrared irradiation.

Original languageEnglish
Pages (from-to)175-183
Number of pages9
JournalInternational Journal of Microwave and Optical Technology
Volume18
Issue number2
Publication statusPublished - Mar 2023

Keywords

  • Folded dipole antenna
  • Frequency
  • Gain
  • Infrared photodiode
  • Resonator

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