A full Ka band gap waveguide based slot array antenna with 45° slant polarization
This work focuses on the development of a very wideband, 45° slant-polarized, 8 × 8-element slot antenna array for Ka-band applications. The proposed antenna utilizes gap waveguide to suppress undesired electromagnetic energy leakage and ensure high gain and efficiency. In the proposed design, the r...
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| Abstract | This work focuses on the development of a very wideband, 45° slant-polarized, 8 × 8-element slot antenna array for Ka-band applications. The proposed antenna utilizes gap waveguide to suppress undesired electromagnetic energy leakage and ensure high gain and efficiency. In the proposed design, the radiating slots are rotated by 45°, and a novel two-layer feed network implemented on the compact folded E-plane groove gap waveguide power dividers is used to excite the slots. An 8 × 8-element array prototype is designed, fabricated, and tested. Experimental results indicate that the proposed antenna array achieves a reflection coefficient better than − 10 dB and a peak gain of 26.9 dB across the full Ka-band bandwidth of 26.35 to 40 GHz. Due to the low-loss characteristics of gap waveguide technology, the antenna array exhibits high gain and efficiency. Additionally, the measured sidelobe level (SLL) and cross-polarization discrimination (XPD) are better than − 24.1 dB and 25.6 dB, respectively. The main advantages provided by the proposed E-plane groove gap waveguide-base antenna array with 45° Slant Polarization are low-profile, low-loss, wide bandwidth and usability at mm Wave frequencies. |
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| AbstractList | This work focuses on the development of a very wideband, 45° slant-polarized, 8 × 8-element slot antenna array for Ka-band applications. The proposed antenna utilizes gap waveguide to suppress undesired electromagnetic energy leakage and ensure high gain and efficiency. In the proposed design, the radiating slots are rotated by 45°, and a novel two-layer feed network implemented on the compact folded E-plane groove gap waveguide power dividers is used to excite the slots. An 8 × 8-element array prototype is designed, fabricated, and tested. Experimental results indicate that the proposed antenna array achieves a reflection coefficient better than - 10 dB and a peak gain of 26.9 dB across the full Ka-band bandwidth of 26.35 to 40 GHz. Due to the low-loss characteristics of gap waveguide technology, the antenna array exhibits high gain and efficiency. Additionally, the measured sidelobe level (SLL) and cross-polarization discrimination (XPD) are better than - 24.1 dB and 25.6 dB, respectively. The main advantages provided by the proposed E-plane groove gap waveguide-base antenna array with 45° Slant Polarization are low-profile, low-loss, wide bandwidth and usability at mm Wave frequencies. This work focuses on the development of a very wideband, 45° slant-polarized, 8 × 8-element slot antenna array for Ka-band applications. The proposed antenna utilizes gap waveguide to suppress undesired electromagnetic energy leakage and ensure high gain and efficiency. In the proposed design, the radiating slots are rotated by 45°, and a novel two-layer feed network implemented on the compact folded E-plane groove gap waveguide power dividers is used to excite the slots. An 8 × 8-element array prototype is designed, fabricated, and tested. Experimental results indicate that the proposed antenna array achieves a reflection coefficient better than - 10 dB and a peak gain of 26.9 dB across the full Ka-band bandwidth of 26.35 to 40 GHz. Due to the low-loss characteristics of gap waveguide technology, the antenna array exhibits high gain and efficiency. Additionally, the measured sidelobe level (SLL) and cross-polarization discrimination (XPD) are better than - 24.1 dB and 25.6 dB, respectively. The main advantages provided by the proposed E-plane groove gap waveguide-base antenna array with 45° Slant Polarization are low-profile, low-loss, wide bandwidth and usability at mm Wave frequencies.This work focuses on the development of a very wideband, 45° slant-polarized, 8 × 8-element slot antenna array for Ka-band applications. The proposed antenna utilizes gap waveguide to suppress undesired electromagnetic energy leakage and ensure high gain and efficiency. In the proposed design, the radiating slots are rotated by 45°, and a novel two-layer feed network implemented on the compact folded E-plane groove gap waveguide power dividers is used to excite the slots. An 8 × 8-element array prototype is designed, fabricated, and tested. Experimental results indicate that the proposed antenna array achieves a reflection coefficient better than - 10 dB and a peak gain of 26.9 dB across the full Ka-band bandwidth of 26.35 to 40 GHz. Due to the low-loss characteristics of gap waveguide technology, the antenna array exhibits high gain and efficiency. Additionally, the measured sidelobe level (SLL) and cross-polarization discrimination (XPD) are better than - 24.1 dB and 25.6 dB, respectively. The main advantages provided by the proposed E-plane groove gap waveguide-base antenna array with 45° Slant Polarization are low-profile, low-loss, wide bandwidth and usability at mm Wave frequencies. This work focuses on the development of a very wideband, 45° slant-polarized, 8 × 8-element slot antenna array for Ka-band applications. The proposed antenna utilizes gap waveguide to suppress undesired electromagnetic energy leakage and ensure high gain and efficiency. In the proposed design, the radiating slots are rotated by 45°, and a novel two-layer feed network implemented on the compact folded E-plane groove gap waveguide power dividers is used to excite the slots. An 8 × 8-element array prototype is designed, fabricated, and tested. Experimental results indicate that the proposed antenna array achieves a reflection coefficient better than − 10 dB and a peak gain of 26.9 dB across the full Ka-band bandwidth of 26.35 to 40 GHz. Due to the low-loss characteristics of gap waveguide technology, the antenna array exhibits high gain and efficiency. Additionally, the measured sidelobe level (SLL) and cross-polarization discrimination (XPD) are better than − 24.1 dB and 25.6 dB, respectively. The main advantages provided by the proposed E-plane groove gap waveguide-base antenna array with 45° Slant Polarization are low-profile, low-loss, wide bandwidth and usability at mm Wave frequencies. This work focuses on the development of a very wideband, 45° slant-polarized, 8 × 8-element slot antenna array for Ka-band applications. The proposed antenna utilizes gap waveguide to suppress undesired electromagnetic energy leakage and ensure high gain and efficiency. In the proposed design, the radiating slots are rotated by 45°, and a novel two-layer feed network implemented on the compact folded E-plane groove gap waveguide power dividers is used to excite the slots. An 8 × 8-element array prototype is designed, fabricated, and tested. Experimental results indicate that the proposed antenna array achieves a reflection coefficient better than − 10 dB and a peak gain of 26.9 dB across the full Ka-band bandwidth of 26.35 to 40 GHz. Due to the low-loss characteristics of gap waveguide technology, the antenna array exhibits high gain and efficiency. Additionally, the measured sidelobe level (SLL) and cross-polarization discrimination (XPD) are better than − 24.1 dB and 25.6 dB, respectively. The main advantages provided by the proposed E-plane groove gap waveguide-base antenna array with 45° Slant Polarization are low-profile, low-loss, wide bandwidth and usability at mm Wave frequencies. Abstract This work focuses on the development of a very wideband, 45° slant-polarized, 8 × 8-element slot antenna array for Ka-band applications. The proposed antenna utilizes gap waveguide to suppress undesired electromagnetic energy leakage and ensure high gain and efficiency. In the proposed design, the radiating slots are rotated by 45°, and a novel two-layer feed network implemented on the compact folded E-plane groove gap waveguide power dividers is used to excite the slots. An 8 × 8-element array prototype is designed, fabricated, and tested. Experimental results indicate that the proposed antenna array achieves a reflection coefficient better than − 10 dB and a peak gain of 26.9 dB across the full Ka-band bandwidth of 26.35 to 40 GHz. Due to the low-loss characteristics of gap waveguide technology, the antenna array exhibits high gain and efficiency. Additionally, the measured sidelobe level (SLL) and cross-polarization discrimination (XPD) are better than − 24.1 dB and 25.6 dB, respectively. The main advantages provided by the proposed E-plane groove gap waveguide-base antenna array with 45° Slant Polarization are low-profile, low-loss, wide bandwidth and usability at mm Wave frequencies. |
| ArticleNumber | 26805 |
| Author | Farahbakhsh, Ali Mrozowski, Michal Zarifi, Davood |
| Author_xml | – sequence: 1 givenname: Davood surname: Zarifi fullname: Zarifi, Davood email: davood.zarifi@pg.edu.pl organization: Department of Microwave and Antenna Engineering, Faculty of Electronics, Telecommunications, and Informatics, Gdańsk University of Technology, School of Electrical and Computer Engineering, University of Kashan – sequence: 2 givenname: Ali surname: Farahbakhsh fullname: Farahbakhsh, Ali organization: Department of Microwave and Antenna Engineering, Faculty of Electronics, Telecommunications, and Informatics, Gdańsk University of Technology, Department of Electrical and Computer Engineering, Graduate University of Advanced Technology – sequence: 3 givenname: Michal surname: Mrozowski fullname: Mrozowski, Michal organization: Department of Microwave and Antenna Engineering, Faculty of Electronics, Telecommunications, and Informatics, Gdańsk University of Technology |
| BackLink | https://www.ncbi.nlm.nih.gov/pubmed/40702214$$D View this record in MEDLINE/PubMed |
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| Cites_doi | 10.1109/LAWP.2019.2903475 10.3390/electronics12030670 10.1109/LAWP.2022.3187952 10.1109/TAP.2023.3290080 10.1109/TAP.2021.3118705 10.1109/LAWP.2015.2511139 10.1109/LAWP.2021.3077286 10.1109/ACCESS.2024.3441316 10.1109/TAP.2012.2186270 10.1109/TAP.2018.2840825 10.1109/TAP.2010.2096180 10.1109/TAP.2016.2634282 10.1109/LAWP.2019.2940127 10.1109/TAP.2022.3227718 10.1109/LAWP.2024.3477908 10.1109/LAWP.2011.2141105 10.2528/PIERL22062503 10.1109/TAP.2021.3069561 10.1109/LAWP.2015.2423497 10.1109/LAWP.2018.2789585 10.1109/TAP.2014.2345567 10.1109/LAWP.2014.2306651 10.1049/cp.2018.1005 10.1109/TAP.2017.2768569 10.1109/TAP.2012.2201094 10.1109/TAP.2021.3090507 |
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| Snippet | This work focuses on the development of a very wideband, 45° slant-polarized, 8 × 8-element slot antenna array for Ka-band applications. The proposed antenna... Abstract This work focuses on the development of a very wideband, 45° slant-polarized, 8 × 8-element slot antenna array for Ka-band applications. The proposed... |
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| SubjectTerms | 639/166/987 639/766/25 Antennas Arrays Bandwidths Design Efficiency Humanities and Social Sciences multidisciplinary Polarization Radiation Science Science (multidisciplinary) XPD protein |
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| Title | A full Ka band gap waveguide based slot array antenna with 45° slant polarization |
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