空間光學(xué)系統(tǒng)復(fù)消色差方法研究.pdf

1、中國科學(xué)技術(shù)大學(xué)碩士學(xué)位論文空間光學(xué)系統(tǒng)復(fù)消色差方法研究姓名：鐘萍華申請學(xué)位級別：碩士專業(yè)：精密儀器與機(jī)械指導(dǎo)教師：胡玉禧20040501AbstractWiththerapiddevelopmentofspaceremotesensingfield，spaceopticalinstrumentswithhigherimagingqualitiesareingreatneed，Thus，greatattentionsarefocused

2、013thechromaticproblemsthatgreatlyimpacttheperformancesofspaceopticalsystemsConsideringtheparticularityofspaceopticalsystems，nevvapochromatismmethodsarediscussedinthispapertheoreticallyandpracticallyInthispapertwomethods

3、，calledSLchartandcoefficientmethod，areputforwardonhowtoselectopticalmaterialsanddistributefocalpoweraStomeettheapochromaticrequirementsOpticalmaterialscanbeselectedbySLchartconvenientlyandvisuallyThecoefficientmethodfits

4、thereflectiveindexwithapowerseriesandeachcoefficientissolvedtominimizetheresidualchromaticaberrationautomaticallyThismethodiseasyandeffectiveItisprovedthat，thepresentationofthesetwomethodsmadetheapochromatismpossibleforo

5、pticalsystemswithlongfocallengthAfterthat，thedispersivebehaviorofbinaryopticallens，whichisofnegativetropismandindependencyonmaterials，isusedtocompensatethechromaticaberrationofrefractionlens，andthenanapochromaticdiffract

6、ionrefractionsystemisdesignedDiffractionrefractionsystemCanprovidemuchmoredegreeoffreedomtocorrectaberration，andithasamorecompactandsimplerstructureThen，therequirementsofsmallvolumeandlightweightofspaceopticalsystemCanbe

7、meteasilyThismethodbreaksthroughthedesignrangeoftraditionalopticalsystemandbecomesanewwayinthisareaFinallyawave—frontencodingmethod，whichwasrecentlyusedtoenlargethedepthoffieldorfocusabroad，isintroducedtostudyapochromati

8、smofspaceopticalsystemThekeytechnologiesofwavefrontencodingmethodarethedesignofcubicphaseplatetogetherwiththeprocessingandrestorationofintermediateimagesBasedonthededucingofphasefunctionofphasemasks，opticaldesignparamete