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Multi-beam optical phase array for long-range LiDAR and free-space data communication
Y. H. Wu; S. Shao; Y. X. Li; X. Z. Chen; D. B. Che; J. Y. Chen; K. Y. Du; R. T. Jiang; X. Q. Huang and D. P. Kan
2022
发表期刊Optics and Laser Technology
ISSN0030-3992
卷号151页码:10
摘要We present a multi-beam optical fiber phased array (OPA) with simultaneous light detection and ranging (LiDAR) and free-space optical communication (FSO) data transmission functions. The OPA component can achieve a stable phase and a high turning speed. First, the 55-element OPA is phase-locked through the stochastic parallel gradient descent (SPGD) algorithm to maintain the high light intensity of the main beam in real time. The OPA with a 5 x 11 beam array achieved a wide field of view (FOV) of 58 degrees x 32 degrees, a single beam array steering angle of0.48 degrees, and a steering speed of 40 MHz. Subsequently, this OPA was used to detect targets within a range of approximately 2 km, and we theoretically verified that two-dimensional coherent frequency-modulated continuous wave (FMCW) LiDAR could extract the target characteristics. In addition, a free-space optical communication link of up to 3 km was also demonstrated, with a data rate of 8 Gbps. The proposed system easily increases the array-to-MHz steering speed and yields a high-power output.
DOI10.1016/j.optlastec.2022.108027
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收录类别sci ; ei
语种英语
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文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/66864
专题中国科学院长春光学精密机械与物理研究所
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Y. H. Wu,S. Shao,Y. X. Li,et al. Multi-beam optical phase array for long-range LiDAR and free-space data communication[J]. Optics and Laser Technology,2022,151:10.
APA Y. H. Wu.,S. Shao.,Y. X. Li.,X. Z. Chen.,D. B. Che.,...&X. Q. Huang and D. P. Kan.(2022).Multi-beam optical phase array for long-range LiDAR and free-space data communication.Optics and Laser Technology,151,10.
MLA Y. H. Wu,et al."Multi-beam optical phase array for long-range LiDAR and free-space data communication".Optics and Laser Technology 151(2022):10.
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