Yb YAG Laser Crystals

Yb:YAGYb:YAG (Ytterbium doped Yttrium Aluninum Garnet,Website:http://www.meta-laser.com, Yb:Y3Al5O12) is a good diode-pumping crystals for high power laser.Features:High slope efficiency, >11%Broad absorption band, ~18nm@940nmLow fractional heating, <11%High thermal conductivity

Meta-Photonics Yb:YAG crystals:Complete doping concentration: 1%,2%, 3%,5%,7%,10%,15%,20%,30%Maxium size: dia75*150mmGood material quanlity and polishing qualityCustom design production is availableSpecificationParameters of MaterialsMaterialsYb:YAGTransmission1%,2%,3%,5%,7.5%,10%,15%,20%,25%,30%Orientation-111CoatingsType 1:AR/AR@940+1030nm,S1,S2:R＜0.2％@1030nm.Type 2:HR@1030+HT@940nm, AR@1030nm,S1:T＞96％@940nm, R＞99.5％@1030nm,S2:R＜0.2％@1030nm.Polishing Specification for Laser GradeOrientation Tolerence< 0.5°Thickness/Diameter Tolerance±0.05mmSurface Flatness<λ/8@632nmWavefront Distortion<λ/4@632nmSurface Quality10/5Parallel30〞Perpendicular15ˊClear Aperture>90%Chammfer<0.2×45°Standard productsInitial transmission @1340nmDimensions,mmlength,mmEnd surfaceCoatingsProduct IDPriceYb(5%):YAG5x52Right-angle CutAR/AR@940+1030　　5x53　　5x55　　5x52HR@1030+ HT@940/ AR@1030　　5x53　　5x55　　5x52Brewster Cut-　　5x53　　5x55　　Yb(10%):YAG5x51Right-angle CutAR/AR@940+1030　　5x52　　5x53　　5x51HR@1030+ HT@940/ AR@1030　　5x52　　5x53　　5x51Brewster Cut-　　5x52　　5x53　　Yb(20%):YAG5x50.5Right-angle CutAR/AR@940+1030　　5x51　　5x52　　5x50.5HR@1030+ HT@940/ AR@1030　　5x51　　5x52　　5x50.5Brewster Cut-　　5x51　　5x52　　KeyparameterPhysical and Chemical PropertiesMaterialsY3Al5O12Crystal StructureCubicLattice Constants1.2008Mohs Hardness8.5Melting Point1920Density4.55Thermal Conductivity0.14Specific Heat Capacity88.8Coefficient of Thermal Diffusion(cm2· s-1)0.05Thermal Expansion Coefficient6.9×10-6Index of Refraction1.82Transmission Range0.28~5.5Chemical PropertyInsoluble in H2SO4,HNO3,HCl and HFDissolve in H3PO4 whentemperature is higher than 250ParameterYb:YAGpump transition wavelength, λp(nm)941laser transition wavelength, λl(nm)1030pump transition bandwidth,Δλp(nm)18laser transition bandwidth,Δλl(nm)~6pump transition peak cross section,σp(E-20 cm2)0.77laser transition peak cross section, σl(E-20 cm2)2.1pump transition saturation intensity,φp(kW/cm2)28laser transition saturation intensity, φl(kW/cm2)9.5laser transition saturation fluence, Γl,sat(J/cm2)9minimum pump intensity, Imin(kW/cm2)2.8upper laser manifold lifetime,τ(msec)0.97quantum defect fraction0.11fractional heat generation~0.11