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1、Adv.Opt.Techn.,Vol.1(2012),pp.39–50•Copyright©2012THOSSMediaandDeGruyter.DOI10.1515/AOT-2011-0009ReviewArticleInjectionmoldedhighprecisionfreeformopticsforhighvolumeapplicationsLarsDick1,2,*,StefanRisse3and/orreducedinstallationspace[1–3].OnepossibilitytoandAndreasTünnermann2,3achievethesechallengi
2、nggoalsistheapplicationoffree-1formsurfaceswithintheopticalsystem.ProductssuchasJENOPTIKOpticalSystems,JENOPTIKPolymerSystemshead-mounteddisplays,head-updisplays,detectorelements,GmbH,AmSandberg2,07819Triptis,Germany2varifocalglassesoralsoinnovativeLEDilluminationopticsFriedrich-Schiller-University
3、Jena,AbbeCenterofrequirefreeformopticstoguaranteeanexcellentfunctionPhotonics,InstituteofAppliedPhysics,Albert-Einstein-Str.[4–7].Especiallybymanufacturingimagingoptics,the15,07745Jena,Germany3demandsregardingaminimaldeviationareveryhigh.TheFraunhoferInstituteforAppliedOpticsandPrecisioncompletepro
4、cesschainfromtheopticaldesignuptotheEngineering,Albert-Einstein-Str.7,07745Jena,Germanyassemblyoffreeformopticalsystemsiscurrentlysystemati-*Correspondingauthorcallyanalyzedintheresearchproject‘FREE’,fundedbythee-mail:lars.dick@jenoptik.comGermanFederalMinistryforEducationandResearch[8].ReceivedDec
5、ember20,2011;acceptedFebruary9,2012Incomparisontoclassicalopticalsurfacessuchasflats,spheresandaspheres,theaxisofrotationatfreeformsurfacesisAbstractmissing.Inthiscase,theinjectionmoldingtoolinsertscannotbemanufacturedusingthetraditionalandcommontwo-axisInjectionmoldingoffersacost-efficientmethodform
6、anufac-diamondturningtechnology.Forafreeformsurface,modernturinghighprecisionplasticopticsforhigh-volumeapplica-multipleaxisultraprecisiontechnologiesincombinationwithtions.Opticalsurfacessuchasflats,spheresandalsoaspheresmonocrystallinediamondtoolshavetobeused[9].Inthearemeanwhilestate-of-the-artin
7、thefieldofplasticoptics.Themanufacturingofrotationalsymmetricsurfaceswithtwo-axisdemandforsurfaceswithoutsymmetricproperties,commonlydiamondturningatthemoldwithsurfaceaccuraciesofpeaktoreferredtoasfreeformsu
