LD端面抽运全固态紫外激光器

LDaa,(,,130022):1064nm600mWLDNdYAGöCr4+YAGQ,1064nm70mW,17.4nsKTPLBO,355nm355nm106LW,635mW,0.88:LD;;;:TN248.1:A:10052488X(2003)0220109204LDEnd2pumpedAll2solid2stateUltravioletLaserGAOLan2lan,TANHui2ming(ChangchunInstituteofOptics,FineMechanicsandPhysics,Changchun,130022,China)Abstract:Theultravioletlaserwasachievedbyfrequencydoublingandsum2frequencyintwocrystalsbyusinglaserpulsesat1064nm.Withthemaximumincidentpumppowerof600mWLDend2pumpingtheaverageoutputpowerofthepassivelyQ2switchedNdYAGöCr4+YAG1064nmlaseris70mWandthepulsewidthis17.4ns.ThroughKTPcrystalex2ternalcavityfrequencydoublingandLBOcrystalsum2frequency,thehighefficiencyall2solid2state355nmultravioletpulselaserwasattainedbylongfocusing.Theaverageoutputpowerof355nmis106LW,thepeakpowerisalmost635mW,andellipticityisabout0.88.Keywords:LD;end2pumped;all2solid2state;ultravioletLD,,,,,[13],,,,23220036OPTOELECTRONICTECHNOLOGYVol.23No.2Jun.2003aa:(No.69678016)863(No.2002AA311140):(19752),,LD(19542),,,,:2002210221©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[46],LDNd:YAG,KTPLBO355nmLD600mW106LW,1z,,,[7]dE2(z1)dz1=iX222k2c2Veff(2)(-X2;X1,X1)E1(z1)2exp(i$k1z1)(1)dE3(z2)dz2=iX232k3c2Veff(2)(-X3;X2,X1)E2(z2)E1(z2)exp(i$k2z2)(2)E1,E2,E3(),n,c,$k1=2k1-k2,$k2=k1+k2-k3K,X,Veff(2)(-X2;X1,X1)Veff(2)(-X3;X1,X2),(z)dE1(z)ödz0,,E1(L1)=E1(0)sech[L1X21k2c2deff1E1(0)](3)E2(L1)=E1(0)tanh[L1X21k2c2deff1E1(0)](4):deff1=12Veff(2)(-X2;X1,X1),E1(0),E2(z2)=E2(z2=0),E1(z2)=E1(z2=0),(4)(2)dE3(z2)dz2=iX232k3c2Veff(2)(-X3;X2,X1)E1(0)tanh[L1X21k2c2deff1E1(0)]E1(L2)exp(i$k2z2)(5)E1(L2),(5)z2=0z2=L2,:E3=iX232k3c2Veff(2)(-X3;X2,X1)E1(L2)E1(0)tanh[L1X1n1cdeff1E1(0)]1$k2(ei$k2L2-1)(6)I3=4P2K23n3d2eff2I1(0)I1(L2)L22sin2($k2L2ö2)($k2L2ö2)2tanh2[L18P2d2eff1n21n2cK21E0I1(0)](7):deff2=12Veff(2)(-X3;X2,X1)(7),;,(7),,E1(0)=E1(z1)=E1(z2)=E1,:I3=8P2n21n2cK21E04P2X23K23n3d2eff1d2eff2I31L21L22sin2($k2L2ö2)($k2L2ö2)2(8),,,:$k2=0,sin2($k2L2ö2)($k2L2ö2)2=1,,,,,TEM00,,,,01123©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.Ê,H=90,W=2414,,KTP,,KTP10mm,13.6mm[8]KTP,$T=25K[9],,LBO,Ê,H=4316,W=90,,LBO15mm300MHzLeCroy9631CQ(23),,21064nm,1714ns1617kHz,240W3,1412ns,25W21064nmFig.2Thefigureofthe1064nmpulselaser3532nmFig.3Thefigureofthe532nmSHGpulselaserCoherentLabMasterUltimaP540,LM2UV2106LW312ns,,10ns,635mW1112:LD©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(:2WLD)KTP,,,,,[1]HeIL,LuoGZ,WangHT,etal.Generationof840mWofredlightbyfrequencydoublingadiode2pumped1342nmNdYVO4laserwithperiodically2poledLiTaO3[J].Appl.Phys,2002;B74:537.[2]RichardSConroy,AlanJKemp,GrahamJFriel,etal.Mi2crochipNd:vanadatelaserat1342and671nm[J].OpticsLetters,1997;22(23):1781.[3]WangChun2Wei,WengYi2Lung,HuangPi2Ling.PassivelyQ2switchedquasi2three2levellaseranditsintracavityfre2quencydoubling[J].OpticalSocietyofAmerica,2002;41(6):1075.[4]AnthonyJKuczewski,CraigEThorn,GiovanniMatone.Productionofhigh2powerCWUVbyresonantfrequencyquadruplingofaNdYLFlaser[J].SPIE,2000;3610:57.[5]EckhardZanger,RalfMuller,BainingLiu,etal.Diode2pumped2high2powerCWAllsolid2statelaserat266nm[J].SPIE,1999;3613:184.[6],,,.Nd:YLF[J].,2002;A29(2):101.[7].[M].:,2001:219.[8].[M].:,1995:6.[9]BodeM,SpiekermannS,FallnichC,etal.Ultravioletsin2gle2frequencypulseswith110mWaveragepowerusingfre2quency2convertedpassivelyQ2switchedminiatureNdYAGringlasers[J].AppliedPhysicsLetters,1998;73(6):714.21123©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.