Nd:YVO4isoneofthemostefficientlaserhostcrystalcurrentlyexistingfordiodelaser-pumpedsolid-statelasers.Itslargestimulatedemissioncross-sectionatlasingwavelength,highabsorptioncoefficientandwideabsorptionbandwidthatpumpwavelength,highlaserinduceddamagethresholdaswellasgoodphysical,opticalandmechanicalpropertiesmakeNd:YVO4anexcellentcrystalforhighpower,stableandcost-effectivediodepumpedsolid-statelasers.Capabilities:Nddopant:0.27%,0.3%,0.4%,0.5%,0.7%,1.0%,2.0%,3.0%WidthxHeight:1x1~16x16mmLength:0.02~20mmSpecifications:Orientation:a-cut( 0.5 )DimensionalTolerance:+/-0.1mmWavefrontDistortion: /8at633nmSurfaceQuality:20/10Parallelism: 10arcsecondsPerpendicularity: 5arcminutesSurfaceFlatness: /10at632.8nmClearAperture:Central95%Chamfer:0.15x45 Coating:1.AR@1064nmR 0.1%2.AR@1064nmR 0.1% HT@808nmT 95%3.HR@1064nmR 99.8% HR@532nmR 99% HT@808nmT 95%Properties:AtomicDensity~1.37x1020atoms/cm2CrystalStructureZirconTetragonal,spacegroupD4h,a=b=7.12,c=6.29Density4.22g/cm3MohsHardnessGlass-like,~5ThermalExpansionCoefficientaa=4.43x10-6/K,ac=11.37x10-6/KThermalConductivityCoefficient||C:5.23W/m/K;^C:5.10W/m/KLasingWavelengths914nm,1064nm,1342nmCrystalClasspositiveuniaxial,no=na=nbne=ncno=1.9573,ne=2.1652,@1064nmno=1.9721,ne=2.1858,@808nmno=2.0210,ne=2.2560,@532nmThermalOpticalCoefficientdna/dT=8.5x10-6/K,dnc/dT=3.0x10-6/KStimulatedEmissionCross-Section25.0x10-19cm2,@1064nmFluorescentLifetime90ms(about50msfor2atm%Nddoped)@808nmAbsorptionCoefficient31.4cm-1@808nmAbsorptionLength0.32mm@808nmIntrinsicLossLess0.1%cm-1,@1064nmGainBandwidth0.96nm(257GHz)@1064nmPolarizedLaserEmissionpparalleltoopticaxis(c-axis)DiodePumpedOpticaltoOpticalEfficiency 60%SellmeierEquation(forpureYVO4crystals)no2=3.77834+0.069736/(l2-0.04724)-0.0108133l2no2=4.59905+0.110534/(l2-0.04813)-0.0122676l2