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光电反馈式静电悬浮与静电悬浮力测定
引用本文:吴兰,黄峰.光电反馈式静电悬浮与静电悬浮力测定[J].光子学报,1999,28(8):690-695.
作者姓名:吴兰  黄峰
作者单位:浙江大学现代光学仪器国家重点实验室,杭州,310027
摘    要:本文提出光电反馈式静电悬浮的新方法,简要讨论静电悬浮的原理、装置及其光电反馈控制过程.采用铝片和CD光盘作为悬浮体,测定了不同静电电压和不同悬浮间距时的静电悬浮力,揭示了它们之间的相互关系.结果显示这两种悬浮体均可获得足够的静电悬浮力,证明了静电悬浮的可行性.静电悬浮方法的显着特点是既适用于导电体与非导电体的悬浮,又适用于磁性体与非磁性体的悬浮,克服了传统磁悬浮技术仅适用于磁性体的局限性,可广泛应用于精密元器件的悬浮与非接触无损操作.

关 键 词:光电反馈  静电悬浮  静电力
收稿时间:1999-04-19
修稿时间:1999-4-9

THE ELECTROSTATIC SUSPENSION BASED ON OPTRONIC FEEDBACK AND A MEASUREMENT OF ELECTROSTATIC FORCES
Wu Lan,Huang Feng.THE ELECTROSTATIC SUSPENSION BASED ON OPTRONIC FEEDBACK AND A MEASUREMENT OF ELECTROSTATIC FORCES[J].Acta Photonica Sinica,1999,28(8):690-695.
Authors:Wu Lan  Huang Feng
Institution:State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027
Abstract:A novel method of electrostatic suspension was developed.This article briefly discusses the basic concept,schematic setup and optronic feedback system of the electrostatic suspension.When taking an aluminum plate and a compact disc (CD) as the suspended objects respectively,it is measured the electrostatic forces acting on the objects under different electrode voltages and different electrode object gaps.The experimental results show that the electrostatic forces are sufficient to levitate both of the suspended objects,namely the electrostatic suspension method is practically feasible.Compared to the conventional magnetic suspension,the significant characteristic of the electrostatic suspension is that it is capable of suspending most of the conductive and/or nonconductive,magnetic and/or nonmagnetic objects.Therefore,this method can be widely applied to realize the electrostatic suspension and non contact manipulation of the precision objects.
Keywords:Optronic feedback  Electrostatic suspension  Electrostatic force
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