基于晶體雙折射的寬角度偏振干涉濾光片理論、實驗及其應(yīng)用.pdf

1、浙江大學博士學位論文基于晶體雙折射的寬角度偏振干涉濾光片理論、實驗及其應(yīng)用姓名：賀銀波申請學位級別：博士專業(yè)：光學工程指導教師：余飛鴻20040301浙A大掌博士掌位論文AbstractOwingtomanyadvantages，suchashighapertureratio，highresolution，lowcostandlowpowerconsumption，LCOSdisplaybecomesapromisingdisplayt

2、echnologyinrecentyearsTheprojectiondisplaybasedonLCOStechnologycatersfortherequirementsoflarge—areaimageandhighresolution，andgrowsupwithvigorcurrentlyOpticalengine，thekeysystemforimaging，hasturnedintoarestraintfactorfort

3、hedevelopmentofLCOSprojectiondisplayInordertoimprovetheefficiencyofopticalengineandsimplifytheopticalarchitecture，aneotypecolorseparation／recombinationdevicebasedonpolarizationinterferencefilter(PIF)isproposedforreflecti

4、veLCOSprojectiondisplayinthispaperAboveall，theopticalpropagationcharacteristicsincrystalsarestudiedindetailDerivedfromimpulseresponseandsamplingtheoreminelectronics，weestablishthemathematicalmodelofPIFconstructedbyaserie

5、sofbirefringentcrystalretarderswitharbitraryazimuthssandwichedbetweentwopolarizersThenonsingularextended22JonesmatrixisdeducedtogivetheprecisedescriptionofangularpropertyundernormalandobliqueincidenceConsequently，wedrawa

6、veryimportantconclusionthatthePIFisinsensitivetotheincidenceandhasalargenumericalapertureSeveraloptimizationalgorithms，suchasgeneticalgorithm(GA)，particleswarmoptimization(PSO)，simulatedalgorithm(SA)andadaptivesimulateda

7、lgorithm(ASA)，areemployedtodesignthePIFforthefirsttimeOnthebasisofanalyzingtheseveraltraditionalalgorithms，theefficientdesignmethod，theselfinitiatedweightedleastsquares(SWLS)combinedwithadaptivesimulatedannealing(ASA)，ar

8、eproposedexplicitlyforthedesignofPIEThisChebyshevcriterionbasedoptimalapproximationmethodhasnotonlyveryfastcomputingspeedbutalsohighaccuracyandgoodcontrollabilityBesides，thedeterminationofretardationvalueisgivenusingmath

9、ematicalmethodandphysicalsenseThetolerancepropertyofPIFisanalyzeddetailedlyandspectralcharacteristicandangularpropertyaletestedbyexperimentThetestedanddesignedresultsarewellmatchedInparticularthegoodangularpropertyofPIFi