A Design Approach of Optical Phased Array with Low Side Lobe Level and Wide Angle Steering Range
In this paper, a new design approach of optical phased array (OPA) with low side lobe level (SLL) and wide angle steering range is proposed. This approach consists of two steps. Firstly, a nonuniform antenna array is designed by optimizing the antenna spacing distribution with particle swarm optimiz...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2021-02-01
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| Series: | Photonics |
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| Online Access: | https://www.mdpi.com/2304-6732/8/3/63 |
| _version_ | 1797395234205728768 |
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| author | Xinyu He Tao Dong Jingwen He Yue Xu |
| author_facet | Xinyu He Tao Dong Jingwen He Yue Xu |
| author_sort | Xinyu He |
| collection | DOAJ |
| description | In this paper, a new design approach of optical phased array (OPA) with low side lobe level (SLL) and wide angle steering range is proposed. This approach consists of two steps. Firstly, a nonuniform antenna array is designed by optimizing the antenna spacing distribution with particle swarm optimization (PSO). Secondly, on the basis of the optimized antenna spacing distribution, PSO is further used to optimize the phase distribution of the optical antennas when the beam steers for realizing lower SLL. Based on the approach we mentioned, we design a nonuniform OPA which has 1024 optical antennas to achieve the steering range of ±60°. When the beam steering angle is 0°, 20°, 30°, 45° and 60°, the SLL obtained by optimizing phase distribution is −21.35, −18.79, −17.91, −18.46 and −18.51 dB, respectively. This kind of OPA with low SLL and wide angle steering range has broad application prospects in laser communication and lidar system. |
| first_indexed | 2024-03-09T00:32:31Z |
| format | Article |
| id | doaj.art-7263e47ec4ba4323af10724fb8a7d6b0 |
| institution | Directory Open Access Journal |
| issn | 2304-6732 |
| language | English |
| last_indexed | 2024-03-09T00:32:31Z |
| publishDate | 2021-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Photonics |
| spelling | doaj.art-7263e47ec4ba4323af10724fb8a7d6b02023-12-11T18:26:47ZengMDPI AGPhotonics2304-67322021-02-01836310.3390/photonics8030063A Design Approach of Optical Phased Array with Low Side Lobe Level and Wide Angle Steering RangeXinyu He0Tao Dong1Jingwen He2Yue Xu3State Key Laboratory of Space-Ground Integrated Information Technology, Beijing Institute of Satellite Information Engineering, Beijing 100095, ChinaState Key Laboratory of Space-Ground Integrated Information Technology, Beijing Institute of Satellite Information Engineering, Beijing 100095, ChinaState Key Laboratory of Space-Ground Integrated Information Technology, Beijing Institute of Satellite Information Engineering, Beijing 100095, ChinaState Key Laboratory of Space-Ground Integrated Information Technology, Beijing Institute of Satellite Information Engineering, Beijing 100095, ChinaIn this paper, a new design approach of optical phased array (OPA) with low side lobe level (SLL) and wide angle steering range is proposed. This approach consists of two steps. Firstly, a nonuniform antenna array is designed by optimizing the antenna spacing distribution with particle swarm optimization (PSO). Secondly, on the basis of the optimized antenna spacing distribution, PSO is further used to optimize the phase distribution of the optical antennas when the beam steers for realizing lower SLL. Based on the approach we mentioned, we design a nonuniform OPA which has 1024 optical antennas to achieve the steering range of ±60°. When the beam steering angle is 0°, 20°, 30°, 45° and 60°, the SLL obtained by optimizing phase distribution is −21.35, −18.79, −17.91, −18.46 and −18.51 dB, respectively. This kind of OPA with low SLL and wide angle steering range has broad application prospects in laser communication and lidar system.https://www.mdpi.com/2304-6732/8/3/63optical phased arrayantenna arraylow side lobewide angle steering range |
| spellingShingle | Xinyu He Tao Dong Jingwen He Yue Xu A Design Approach of Optical Phased Array with Low Side Lobe Level and Wide Angle Steering Range Photonics optical phased array antenna array low side lobe wide angle steering range |
| title | A Design Approach of Optical Phased Array with Low Side Lobe Level and Wide Angle Steering Range |
| title_full | A Design Approach of Optical Phased Array with Low Side Lobe Level and Wide Angle Steering Range |
| title_fullStr | A Design Approach of Optical Phased Array with Low Side Lobe Level and Wide Angle Steering Range |
| title_full_unstemmed | A Design Approach of Optical Phased Array with Low Side Lobe Level and Wide Angle Steering Range |
| title_short | A Design Approach of Optical Phased Array with Low Side Lobe Level and Wide Angle Steering Range |
| title_sort | design approach of optical phased array with low side lobe level and wide angle steering range |
| topic | optical phased array antenna array low side lobe wide angle steering range |
| url | https://www.mdpi.com/2304-6732/8/3/63 |
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