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Development and characterization of a high speed linear- moving-stage for multispectral measurements

机译:多光谱测量的高速线性移动阶段的开发与表征

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Multispectralimagingisoneofthekeytopicsintheupcomingyears,alotofmeasurementtaskscanbesolvedusingtheadditionalspectralinformation.Fortheseparationoftheseadditionalinformationbandsplentytechnologiesweredevelopedinthelastdecades.Allofthemhavecharacteristicadvantagesanddisadvantages.Oneworkingprincipleistheuseofafilterwheelcontainingdifferentfiltersbetweentheimagesensorandthelens.Theadditionalelementinsidethelightpropagationpathaswellasthelensimperfectionsleadtochromaticaberrations.Tocompensatetheresultingfocuserrorsomeinvestigationweremade.Oneoptionisthemovementoftheimagesensorstagetoabetterfocusposition.Thereforehighprecisionmovingstagewithhighmovementspeedarecharacteristicparameterswhichhavetobeconsideredduringtheconstruction.Inthispaperalinearmotorstagepairedwithtwohighprecisionlinearbearingswereconnectedtogethertoachievethedemandedrequirements.Fortheevaluationofthisnewapproach,severalmeasurementsdeterminingthedynamicaswellasthestaticspecificationsweremadetoprooftheachievedcharacteristicsandwillbeshowninthepaper.Withthisapproach,aminiaturisedprecisionsysteminsidethemultispectralimageraprecisionrepeatabilityoflessthanfourmicronscanbeachieved...
机译:Multispectralimagingisoneofthekeytopicsintheupcomingyears,alotofmeasurementtaskscanbesolvedusingtheadditionalspectralinformation.Fortheseparationoftheseadditionalinformationbandsplentytechnologiesweredevelopedinthelastdecades.Allofthemhavecharacteristicadvantagesanddisadvantages.Oneworkingprincipleistheuseofafilterwheelcontainingdifferentfiltersbetweentheimagesensorandthelens.Theadditionalelementinsidethelightpropagationpathaswellasthelensimperfectionsleadtochromaticaberrations.Tocompensatetheresultingfocuserrorsomeinvestigationweremade.Oneoptionisthemovementoftheimagesensorstagetoabetterfocusposition.Thereforehighprecisionmovingstagewithhighmovementspeedarecharacteristicparameterswhichhavetobeconsideredduringtheconstruction.Inthispaperalinearmotorstagepairedwithtwohighprecisionlinearbearingswereconnectedtogethertoachievethedemandedrequirements.Fortheevaluationofthisnewapproach,severalmeasurementsdeterminingthedynamicaswellasthestaticspecificationsweremadetoprooftheachievedcharacterist Icsandwillbeshowninthepaper.WiththisApproach,AminiaturisedPrecisionSysteminsidethemultispectralimagerAprecisionRepeatabilityoflessthanfourmicronscanbeachimons ...

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