Laser-induceddamageinfusedsilicaopticsgreatlyrestrictstheperformancesoflaserfacilities.Grayhazedamage,whichisalwaysinitiatedonceriapolishedoptics,isoneofthemostimportantdamagemorphologiesinfusedsilicaoptics.Inthispaper,thelaser-inducedgrayhazedamagesoffourfusedsilicasamplespolishedwithCeO_2,Al_2O_3,ZrO_2,andcolloidalsilicaslurriesareinvestigated.Foursamplesallpresentgrayhazedamageswithmuchdifferentdamagedensities.Then,thepolishing-inducedcontaminantandsubsurfacedamagesinfoursamplesareanalyzed.TheresultsrevealthatthegrayhazedamagescouldbeinitiatedonthesampleswithoutCecontaminantandareinclinedtoshowatightcorrelationwiththeshallowsubsurfacedamages.
