Yb YAG Laser Crystals

MetaLaser INC.

Date: 25th June 2016

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 Flatness90%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, ?p(nm)941laser transition wavelength, ?l(nm)1030pump transition bandwidth,??p(nm)18laser transition bandwidth,??l(nm)~6pump transition peak cross section,?p(E-20 cm2)0.77laser transition peak cross section, ?l(E-20 cm2)2.1pump transition saturation intensity,?p(kW/cm2)28laser transition saturation intensity, ?l(kW/cm2)9.5laser transition saturation fluence, ?l,sat(J/cm2)9minimum pump intensity, Imin(kW/cm2)2.8upper laser manifold lifetime,?(msec)0.97quantum defect fraction0.11fractional heat generation~0.11

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