文档介绍:AbstractGreatinterestisfocusedonpulsefemtosecondlasermicro-,withtherapiddevelopmentoffemtosecondlaserablationtechnology,,wehavemainlyresearchedtheablationphysicalmechanismofmetalsbypulsefemtosecondlaser,,usingdatasfromanAutarget,undertheframeworkofthepulsefemtosecondlaserablationtheoreticalmodel,wegainthedependenceofelectronandiontemperatureevolvementontimeandposition,whichsolvestheconventionaltwo-temperaturediffusionmodeusingthefinite-differencetime-domain(FDTD),thedependenceofthethresholdfluenceonthepulselengthandfilmthicknesscanbewelldescribedbythetwo-temperaturemodel,-,aselectron-,thedependenceofelectronandiontemperatureevolvementontimeandposition,whichisaffectedbytheelectron-phononcoupling,,anewlawisproposed,whichclarifiestheparametersoflasertechnique,suchaspulsewidth,thelaserfluence,andelectron-phononcouplingfactordependenceoftheelectron-,thechangeofdensityofstatestakesgreateffectsontheablationmechanisinthehigherfluencespulsefemtosecondlaserablation,namelytheDOS(DensityOfStates)effect,