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Effective half-wavelength pitch optical phased array design for aliasing-free 2D beam steering
Lei, Yufang1,2; Zhang, Lingxuan1,2; Xue, Yulong1,2; Ren, Yangming1,2; Zhang, Qihao1,2; Zhang, Wenfu1,2; Sun, Xiaochen1,2
作者部门瞬态光学研究室
2022-11-10
发表期刊APPLIED OPTICS
ISSN1559-128X;2155-3165
卷号61期号:32页码:9423-9428
产权排序1
摘要

We present a method to design an optical phased array (OPA) simultaneously realizing both narrow beam width and aliasing-free 2D beam steering without the need to arrange the antennas at actual half-wavelength pitch. The method realizes an effective half-wavelength pitch in one direction formed by location projection of the antennas. The distances between the antennas in the other direction can be sufficiently large to form an effective large aperture realizing narrow beam width without needing a long grating. The presented method is proven by both theory and numerical simulations to achieve an equivalent grating-lobe-free far field of an ordinary half-wavelength pitch design. One design example exhibits 180 degrees steering with a minimal beam width of 0.4 degrees * 0.032 degrees and a sidelobe suppression ratio of >13 dB. (c) 2022 Optica Publishing Group

DOI10.1364/AO.474504
收录类别SCI
语种英语
WOS记录号WOS:000887083600002
出版者Optica Publishing Group
引用统计
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/96253
专题瞬态光学研究室
通讯作者Sun, Xiaochen
作者单位1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Lei, Yufang,Zhang, Lingxuan,Xue, Yulong,et al. Effective half-wavelength pitch optical phased array design for aliasing-free 2D beam steering[J]. APPLIED OPTICS,2022,61(32):9423-9428.
APA Lei, Yufang.,Zhang, Lingxuan.,Xue, Yulong.,Ren, Yangming.,Zhang, Qihao.,...&Sun, Xiaochen.(2022).Effective half-wavelength pitch optical phased array design for aliasing-free 2D beam steering.APPLIED OPTICS,61(32),9423-9428.
MLA Lei, Yufang,et al."Effective half-wavelength pitch optical phased array design for aliasing-free 2D beam steering".APPLIED OPTICS 61.32(2022):9423-9428.
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