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Design of wireless power driving and controlling system for electrically driving liquid crystal microlens array
Fu, Shouguo; Liu, Kan; Zhang, Xinyu; Ji, An; Xie, Changsheng; Fu, S.(reconciliation@163.com)
2011
Source PublicationProceedings of SPIE- The International Society for Optical Engineering
ISSN0277786X
Volume8002Pages:800203
AbstractA novel wireless power driving and controlling system is proposed, which is based on the electrical driving and controlling characteristics of liquid crystal microlens array with tunable focal length. The system consists of two isolated circular copper stacked coils with circular cross section. Both of coils are air-cored. The big one, which is used to generate electromagnetic field, has the wire diameter of~1mm, and the coil diameter of~38 mm and the height of10 mm. By contrast, the small one, used to produce electromotive force by induction effect, is~1 mm,~13 mm and~18 mm, respectively. The varying electromotive force is generated in the small coil by the variable intensity of magnetic field resulting from changing the time of current through the big coil. The agreement of experimental results with the theoretical analysis proves that the electromotive force can be continuously changed from0 to30 rms V(root mean square), when the duration of current through the big coil is reasonablely selected. It is very important that the clear image can be obtained and the imaging quality of liquid crystal microlens array can be comparable to that of conventional optical microlens array.?2011 SPIE.
metadata_83半导体集成技术工程研究中心
KeywordElectromagnetic Fields Electromagnetic Induction Electromotive Force Image Acquisition Liquid Crystals Magnetic Fields Microlenses Scanning
Subject Area微电子学
Indexed ByEI
Language英语
Date Available2012-06-14
Document Type期刊论文
Identifierhttp://ir.semi.ac.cn/handle/172111/23062
Collection半导体集成技术工程研究中心
Corresponding AuthorFu, S.(reconciliation@163.com)
Recommended Citation
GB/T 7714
Fu, Shouguo,Liu, Kan,Zhang, Xinyu,et al. Design of wireless power driving and controlling system for electrically driving liquid crystal microlens array[J]. Proceedings of SPIE- The International Society for Optical Engineering,2011,8002:800203.
APA Fu, Shouguo,Liu, Kan,Zhang, Xinyu,Ji, An,Xie, Changsheng,&Fu, S..(2011).Design of wireless power driving and controlling system for electrically driving liquid crystal microlens array.Proceedings of SPIE- The International Society for Optical Engineering,8002,800203.
MLA Fu, Shouguo,et al."Design of wireless power driving and controlling system for electrically driving liquid crystal microlens array".Proceedings of SPIE- The International Society for Optical Engineering 8002(2011):800203.
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