Co Spinel Q Switch Crystals
Co:Spinel passive Q swtich crystalsCo2+:MgAl2O4 ( Co:Spinel,Website:, Co:LMA, Co:MLAO) is a relatively new material for saturable absorber passive Q-switching in lasers emitting from 1.2 to 1.6 microns, in particular, for eye-safe 1.54 um laser.Features:High absorption cross sectionNegligible excited-state absorptionHigh contrast of Q-switchExcellent optical, mechanical, and thermal propertiesMeta-Photonics Co:spinel CrystalsHigh LIDT coating
Initial Transmission: 30%-98%Absorption coefficient:0.2~3.0cm-1;Maximal Size: dia55mmCustom design prouction (special doping concentration, shape, coating) is availableSpecificationParameters of MaterialsMaterialsCo:Spinel(Co:MgAl2O4)Transmission30~97%Orientation(111)CoatingsAR/AR@1540nm, R<0.2%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,mmCoatingsProduct IDPriceT0=30%dia 5AR/AR@1540nm 3x3 5x5 T0=40%dia 5 3x3 5x5 T0=50%dia 5 3x3 5x5 T0=60%dia 5 3x3 5x5 T0=70%dia 5 3x3 5x5 T0=80%dia 5 3x3 5x5 T0=85%dia 5 3x3 5x5 T0=90%dia 5 3x3 5x5 T0=95%dia 5 3x3 5x5 T0=97%dia 5 3x3 5x5 KeyparameterAbsorptionspectraofCo:Spinel
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