标签: films

characterizingopticalthinfilmsCharacterizingOpticalThinFilms(I)Physicalvapordepositionisthemostcommontechniqueusedtodepositopticalthinfilmsforalargevarietyofapplications.Thisrequirestheabilitytogetasolidmaterialintoavapor(gaseous)form,totransportittoasurfaceontowhichthefilmistobedeposited,andtobeabletocontrolthephysicalandopticalpropertiesoftheresultantfilm.Sputteringandevaporationinavacuumaretheprevalenttechniquesusedtogetsolidmaterialsintoavaporform.Regardlessofthedepositiontechniqueused,itisnecessaryinthedevelopmentofcoatingequipmentandcoatingprocessestohavetheabilitytodeterminethephysicalandopticalpropertiesoftheresultantfilms.Thereisaconsiderablerangeofequipmentavailabletodothis.Howeve……