简介:Adaptiveoptics(AO)systemsgreatlyimprovetheresolutionofretinalimaginginstrumentsbyactivelycorrectingocularaberrations.InthisLetter,closed-loopcorrectionaswellasocularaberrationcompensationofa62-elementsiliconunimorphdeformablemirror(DM)drivenbyonlypositivevoltageisperformed.Theexperimentalresultsshowthattheroot-meansquare(RMS)wavefrontoftheinitialmirrorsurfaceisreducedto0.011μminaclosed-loopAOsystem.TheDMreproducesZernikeshapesfromthethirdto35thmodeaccurately.Thesimulatedcompensationof200ocularwavefrontsshowsthattheaverageRMSvalueaftercorrectionisreducedto0.017μm.
简介:摘要本文着重从导致误操作事故发生的客观原因和主观因素两方面进行阐述、分析、制定措施。并没有从倒闸操作的监护人、操作人的责任心不强,违章或技术业务水平低等论述,而是从人的生理原因、心理状态、思想情绪、注意力以及设备运行的具体状况、管理水平和工作环境等进行了具体分析。