基于微機械薄膜變形鏡的像差校正技術(shù)及其應(yīng)用.pdf

1、南京航空航天大學(xué)博士學(xué)位論文基于微機械薄膜變形鏡的像差校正技術(shù)及其應(yīng)用姓名：李邦明申請學(xué)位級別：博士專業(yè)：機械工程（制造信息化技術(shù)）指導(dǎo)教師：廖文和201010南京航空航天大學(xué)博士學(xué)位論文IIIAbstractAsanemergingcomprehensivetechnologywhichisgrowingrapidlyinrecentyearsintheapplicationofhumanfundusmicroscopicobserv

2、ationadaptiveopticsprovidesanewwayofdiagnosistreatmentfhumanophthalmologydiseasesothersystemicdiseasesbecauseoftheadvantagesofexactrapidrealtimemeasurementcontrolcrectionofhumanaberrationwhichcanimproveresolutionofimagin

3、gsystem.Onthebasisofadaptiveopticsvisualopticstheythisthesiscarriesoutafurtherresearchonhumanaberrationcrectiontheytechnologybasedonmicromachinedmembranedefmablemirrwhichcanprovidetheeticalsupptengineeringpracticeguidanc

4、efthedevelopmentoflowcosthighprecisionlivinghumanretinaimagingsystem.Thecontentofthisthesismainlyincludes:(1)Thehumaneyeballstructureisdescribedindetail.Thehumanwavefrontaberrationisdefineditsrepresentationmodelisestabli

5、shedonthebasisofZernikepolynomial.TheprinciplemethodofHartmann－Shackwavefrontsensbasedhumanwavefrontaberrationreconstructionissystematicallystudiedawavefrontaberrationreconstructionalgithmofhumaneyesbasedonsingularvalued

6、ecompositionisputfwardwhichlaysthefoundationfhumanaberrationcrection.(2)Thestructureprincipleofmicromachinedmembranedefmablemirrisdescribedindetailtherelationshipbetweenmicromachinedmembranedefmablemirrdefmationdrivingel

7、ectrodecontrolsignalisanalyzedtheeticallyverifiedexperimentally.Onthebasisofinfluencefunctionmatrixtherelationshipmodelbetweendefmablemirrcontrolsignalthemodeparameterofaberrationtobecompensatedisbuiltthemicromachinedmem

8、branedefmablemirrfittingabilitycrectingrangeofZernikemodelaberrationisanalyzedwhichprovidestheeticalbasisfthedesignofaberrationcompensationalgithmbasedonmicromachinedmembranedefmablemirr.(3)Thespatialdomainaberrationcomp

9、ensationmodelbasedonmicromachinedmembranedefmablemirrisbuilt.Intheopenloopcrectionmodetwocontrolsignalsolvingalgithmsbasedonmultiplierpenaltyfunctionmethodeffectiveconstraintsetsmethodrespectivelyareputfward.Thefirstmeth

10、odconvertstheiginalproblemintoanunconstrainedoptimizationproblembymultipliervectpenaltyfunction.Thesecondmethodconvertstheiginalproblemintoanequalityconstraintedproblem.Thetwomethodsbothhavetheadvantagesofhighspeedprecis