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Arbitrary multiple beam forming by two cascaded liquid crystal optical phased arrays
Wu, Liang1,2,3; Wang, Xiangru2; He, Xiaoxian2; Huang, Ziqiang5; Huang, Xinning4; Xiong, Caidong1; Wang, Xiangru (xiangruwang@uestc.edu.cn)
Department瞬态光学技术国家重点实验室
2018-06-25
Source PublicationOptics Express
ISSN10944087
Volume26Issue:13Pages:17066-17077
Contribution Rank4
Abstract

A new method for non-mechanical laser beam splitting and steering is demonstrated. Two cascaded liquid crystal optical phased arrays (LC-OPAs) controllably modulate the amplitude and phase of an incident laser beam to realize the near-field wavefronts of multiple simultaneous beams with arbitrary directions. Diffraction between the two arrays is avoided by precise 4-f imaging from one LC-OPA to the other (array resolution 1×1920). In the method of cascaded amplitude and phase (CAP) devices, numerical simulation results show the characteristics of amplitude and phase modulation profiles, as well as the far-field intensity patterns. Both the numerical and experimental results clearly demonstrate the capabilities of fast multi-beam forming with high efficiency (>85%, 4 beams) and accuracy (deviation ? 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

DOI10.1364/OE.26.017066
Indexed BySCI ; EI
Language英语
WOS IDWOS:000436226800084
EI Accession Number20182605377082
Citation statistics
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30410
Collection瞬态光学技术国家重点实验室
Corresponding AuthorWang, Xiangru (xiangruwang@uestc.edu.cn)
Affiliation1.School of Physics, University of Electronic Science and Technology of China, Chengdu; 610054, China
2.School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu; 610054, China
3.Department of Electrical and Computer Engineering, University of California San Diego, 9500 Gliman Dive, La Jolla; CA; 92093, United States
4.Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, China
5.Research Institute of Electronic Science and Technology, University of Electronic Science and Technology of China, Chengdu; 610054, China
Recommended Citation
GB/T 7714
Wu, Liang,Wang, Xiangru,He, Xiaoxian,et al. Arbitrary multiple beam forming by two cascaded liquid crystal optical phased arrays[J]. Optics Express,2018,26(13):17066-17077.
APA Wu, Liang.,Wang, Xiangru.,He, Xiaoxian.,Huang, Ziqiang.,Huang, Xinning.,...&Wang, Xiangru .(2018).Arbitrary multiple beam forming by two cascaded liquid crystal optical phased arrays.Optics Express,26(13),17066-17077.
MLA Wu, Liang,et al."Arbitrary multiple beam forming by two cascaded liquid crystal optical phased arrays".Optics Express 26.13(2018):17066-17077.
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