Laser Process

Pagina 1

Laserprocessexercises Laserprocess deensy of did IdsIdo fciao fed fioc Fiberlaserdiameter di un dffeatdoffoc Lensdiameter deens mm Collimatedbeamdiameter deal alcol 2foltannn Focallengthofthefocusingbus ffoc mm Focallengthofthecollimatingbus fcol mm Waistbeamdiameter do un dom Azisequaitotreaistance Spotdiameter ds mm d'Eld DÈEFIaI.i Qualityfactor m m BPP BeamParameterProduct BPP mmrad BPP m Angleofdivergences rad 72,72 Maximumdivergenceangleallowable rad arctan Refractiveindex moreRelad Numericalaperture NA NA Incore ncaa Angleofacceptance rad arcsinNA 2 Areaofthespot Aspot mm Aspot Opticalabsorption A whenthereismelting A1 velocity1 a c totainicrness pCpTmTithftm.tn Steen'sconstant inaheattreatmentLf0d'soli becausethereisnomelting Irradiance forCwlaser I a I Magnificationfactor MA MAÈ Paintstrippingprocess Hatchdistance da un Overlap Oh Ohdodhdo MaterialRemovalRate MRR MRR.IEII I PULSEDWAVElaserfeatures Ppear Parg ton toff ttot Pulsewidth timeofthesourceon tonorT MS Timeofsourceswitchedoff tort ms torfettotton To t a ltimepercycle that ms ttotÈ Numberofpulses Npulses dutycycle 8 d È Interactiontime tiny tint tinttrotNpulses Pulsefrequency f Hz fÈ Peakpower Ppear W Ppear 90Aspot A Averagepower Pavg W PargPpear5 Beamenergy E J EPton FluenceEnergydensity F Ima F spot ULTRASHORIPULSEDWAVElaser forABLATION Liv'sModel Five Fth rD Ablationdiameter D un 1 2W laF Beamradius Wo µm Wo β Pearfluence Fo In F2FI 2AblationtresholdfluenceEn Ia Faeta Fluence Flr Ia FirFe Energyafapulse Epulse J EpulseTÈFo