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	Study on controllable LC-micro blazed grating beam deflector in free Space
	Yang, Junbo ; Xu, Suzhi ; Zhang, Jingjing ; Chang, Shengli
	2015
英文摘要	A liquid crystal (LC) beam deflector with a micro blazed grating produced by stepping photolithography and reactiv ieon etching (RIE) was reported. A homogeneously aligned nematic liquid crystal (NLC) materials are filled inside the micro cavity of blazed grating, and sandwiched between two glass plates. An indium tin oxide (ITO) transparent electrode is deposited on it to provide the beam steering capability. Our LC-micro blazed grating device gives a high diffractive efficiency (about 95%) and a controllable large steering angle over 7.2?? (for ne) and 1.7?? (for no), respectively. It was found that this type of non-mechanical beam steering without any moving parts is ideally suited for applications in optical communication and optical interconnection network. ?2015 SPIE.; EI; CPCI-S(ISTP); 0
语种	英语
DOI标识	10.1117/12.2181231
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/412446]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Yang, Junbo,Xu, Suzhi,Zhang, Jingjing,et al. Study on controllable LC-micro blazed grating beam deflector in free Space. 2015-01-01.

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