Design of a sparse array for a one-dimensional non-uniform optical phased array

doi:10.1364/josab.452380

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	Design of a sparse array for a one-dimensional non-uniform optical phased array
	K. Y. Du; R. Wang; J. Guo; R. T. Jiang; D. B. Kan and Y. Y. Zhang
	2022
发表期刊	Journal of the Optical Society of America B-Optical Physics
ISSN	0740-3224
卷号	39 期号:4 页码:1141-1146
摘要	To effectively improve the far-field scanning range of an optical phased array (OPA), we propose a genetic algorithm using double fitness functions to optimize the array element arrangement of a one-dimensional non-uniform OPA and simulate a one-dimensional OPA with different array element numbers. The results show that the non-uniform OPA with more array elements exhibits an improved grating lobe suppression effect, and the optimized antenna array pattern exhibits improved comprehensive performance upon employing the double fitness function of grating lobe suppression and beam steering. Considering 128 array elements as an example, the sidemode suppression ratio (SMSR) exhibits a 2.8-dB improvement in the steering process, which verifies the importance of incorporating the novel fitness function of steering optimization. In addition, we further analyze the influence of manufacturing errors such as emission intensity and array position on the SMSR; it is found that the OPA obtained by simulation is sufficiently robust. Our research lays a theoretical foundation for the development of a one-dimensional non-uniform OPA sparse array. (C) 2022 Optica Publishing Group
DOI	10.1364/josab.452380
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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/181722/66534
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	K. Y. Du,R. Wang,J. Guo,et al. Design of a sparse array for a one-dimensional non-uniform optical phased array[J]. Journal of the Optical Society of America B-Optical Physics,2022,39(4):1141-1146.
APA	K. Y. Du,R. Wang,J. Guo,R. T. Jiang,&D. B. Kan and Y. Y. Zhang.(2022).Design of a sparse array for a one-dimensional non-uniform optical phased array.Journal of the Optical Society of America B-Optical Physics,39(4),1141-1146.
MLA	K. Y. Du,et al."Design of a sparse array for a one-dimensional non-uniform optical phased array".Journal of the Optical Society of America B-Optical Physics 39.4(2022):1141-1146.

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