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1、Lasertechnologyofmicroopticalcomponentswithgradientrefractionindex"n"(MOC-GRIN)VadimP.VeikoLeningradInstituteofPrecisionMechanicsandOpticsDepartmentofLaserTechnologyUSSR,197101,Leningrad,Sablinskajastr.,14ABSTRACTAnewlasermethodsandapparatusarereportedformanufacturingofmicroopticalcomponentswithgra
2、dientrefractionsindex.Thephysicalmodelofthelocallasermodificationofpropertiesofglass-likematerialsisdescribed.ThemaintypesoftheMOCincludinghigh-aperturemicrolensesandmicro-objectivesforopticalcommunication,integratedopticaldevices,lasertechniqueandtechnologyanditsspecificparameters.1.INTRODUCTIONWe
3、seethatopticsoustelectronicsfromtraditionalareasofitsapplications.Nowopticalcommuni-cationandcabeltelevision,opticalrecordinganddatastoragearerealized,andopticalvideorecordingbecomeactual.Thefirstelementsandintegratedopticalschemshaveappeared.Atlast,itispossibletocreateinthenearestfutureopticalproc
4、essors,andafterthatoptoelectronicandopticalcomputers.Alltheseproblemsdemandanewmorevariablecomponentbase,whichcannotberealizedbyordi-narymethodsofopticaltechnology.Thesamesituationistypicalfortraditionalareasofoptics,forexample,imaging,whereprogressofopticalsystemislimitednotsomuchthefantasyofinves
5、tigators,butbytechnology,forexample—ofasphericelements,etc.Themaindefectsofopticaltechnologysuchassmallproductivity,difficultiesofcontrolandautoma-tizationputitattheedgeofart.Accordingtoallthesereasonsnewapplicationsofopticsneedthedevelopmentofnewopticaltechnologies.Therearemethodsofionandmolecular
6、exchange,diffusionandphotolitography,methodsoffiber-opticstechnology—CVDandothers.Oneofthemisthelasertechnologywhichcanbeuserfor:—fabricationofdifractionopticalelements,likekinoforms,basedontheprincipaloflaserthermo-chenustry1—vacuumdepositionofopticalcoatingofx-raydiapason2,and—formationofgradient
7、refractionopticalcomponents.Thepossibilitiesofusinglaserradiationintheopticalrefractioncomponentstechnology,whichisintensivelydevelopedatL1TM037,isthesubjectofthisarticle.2.MAINPROCESSESOFMOC-GRINLASERTECHN