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| Format: | Preprint |
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2024
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| Online-Zugang: | https://arxiv.org/abs/2402.03503 |
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| _version_ | 1866911771391950848 |
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| author | Perez-Palomino, Gerardo Page, Juan E |
| author_facet | Perez-Palomino, Gerardo Page, Juan E |
| contents | A Fosters equivalent circuit for 2-D Planar Periodic Structures (PPSs) that exhibit an arbitrary geometry is presented for first time in this paper. The proposed 4-port network shows an invariant circuit topology to the PPS geometry and is completely comprised of invariant-frequency lumped elements. The circuit is the simplest in terms of number of elements within the bi-mode bandwidth for a certain geometry, and its topology makes it possible both a standardized process to obtain the equivalent circuit of an arbitrary geometry and the use of the circuit theory to design a multitude of devices. To perform a validation, the equivalent circuit of two different PPSs (a rotated dipole and a defected slotted ring) have been obtained and analyzed in single and multi-layer configurations. The circuit is also used as a tool to develop Elliptical to Linear (or Circular) Polarization converters. One of the designs presented at 20 GHz (in transmission) converts an incident elliptical polarization of Axial Ratio 5 and tilted 20 deg into a purely linear vertical polarization of XP<-30 dB, with near-zero reflections and insertion loss better than 0.1 dB. The designed device is also manufactured and tested, and the measurements are in good agreement with simulations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_03503 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Bimode Fosters Equivalent Circuit of Arbitrary Planar Periodic Structures and Its Application to Design Polarization Controller Devices Perez-Palomino, Gerardo Page, Juan E Applied Physics A Fosters equivalent circuit for 2-D Planar Periodic Structures (PPSs) that exhibit an arbitrary geometry is presented for first time in this paper. The proposed 4-port network shows an invariant circuit topology to the PPS geometry and is completely comprised of invariant-frequency lumped elements. The circuit is the simplest in terms of number of elements within the bi-mode bandwidth for a certain geometry, and its topology makes it possible both a standardized process to obtain the equivalent circuit of an arbitrary geometry and the use of the circuit theory to design a multitude of devices. To perform a validation, the equivalent circuit of two different PPSs (a rotated dipole and a defected slotted ring) have been obtained and analyzed in single and multi-layer configurations. The circuit is also used as a tool to develop Elliptical to Linear (or Circular) Polarization converters. One of the designs presented at 20 GHz (in transmission) converts an incident elliptical polarization of Axial Ratio 5 and tilted 20 deg into a purely linear vertical polarization of XP<-30 dB, with near-zero reflections and insertion loss better than 0.1 dB. The designed device is also manufactured and tested, and the measurements are in good agreement with simulations. |
| title | Bimode Fosters Equivalent Circuit of Arbitrary Planar Periodic Structures and Its Application to Design Polarization Controller Devices |
| topic | Applied Physics |
| url | https://arxiv.org/abs/2402.03503 |