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Co Spinel Single Crystals Q Switching Technique Various Applications

    Buy cheap Co Spinel Single Crystals Q Switching Technique Various Applications from wholesalers
     
    Buy cheap Co Spinel Single Crystals Q Switching Technique Various Applications from wholesalers
    • Buy cheap Co Spinel Single Crystals Q Switching Technique Various Applications from wholesalers
    • Buy cheap Co Spinel Single Crystals Q Switching Technique Various Applications from wholesalers
    • Buy cheap Co Spinel Single Crystals Q Switching Technique Various Applications from wholesalers
    • Buy cheap Co Spinel Single Crystals Q Switching Technique Various Applications from wholesalers
    • Buy cheap Co Spinel Single Crystals Q Switching Technique Various Applications from wholesalers

    Co Spinel Single Crystals Q Switching Technique Various Applications

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    Brand Name : CRYLINK
    Certification : Iso9001
    Price : negotiation
    Delivery Time : 3-4 weeks
    Payment Terms : TT
    Supply Ability : 100 pieces /month
    Model Number : CRYLINK-Co Spinel Crystal
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    Co Spinel Single Crystals Q Switching Technique Various Applications

    Cobalt-doped magnesium aluminate spinel (Co:MgAl2O4) allow the generation of short nanosecond pulse with high peak power around the eye-safe wavelength of 1.5um,perfect for telemetry applications. The absorption spectrum of Co2+-doped MgAl2O4 exhibited a broad absorption band in the wavelength range of 12001600 nm, which indicated that Co2+ ions substituted for the tetrahedrally coordinated Mg2+ ions in the MgAl2O4 lattice. Passive Q-switching of solid-state lasers with solid-state saturable absorbers is a very attractive Q-switching technique because it allows to develop compact and low cost laser sources of nano and sub nanosecond pulses far various applications

    Co spinel——saturable absorbers for the passive Q-switching of solid-state lasers operating at eye-safe wavelength of 1.5 m

    Lasers emitting at 1.5m are of great interest for several industrial applications. This interest is, rst of all, due to eye-safety of 1.5-m radiation. Other advantages of this wavelength are high transparency in atmosphere and fused-silica wave guides and availability of sensitive room temperature light detectors(Ge and InGaAs photo diodes).All this makes 1.5m lasers very attractive for applications in range-finder, environmental sensing, telecommunications, surgery,etc. Co:Spinel absorption peak is close to 1520nm,which is most used in eye-safe laser. The absorption cross-section at 1520nm is 3.5×10-19cm2 and at 1331 is 2.8×10-19cm2,it has reported as Q-switch crystal for Er,Yb Glass and Nd:GYSGG,Nd:YALO3.


    Physical and Chemical Properties

    PropertyValue
    Chemical formulaCo2+:MgAl2O4
    Crystal structureCubic
    Lattice parameters8.07
    Density3.62 g/cm3
    Melting Point2105°C
    Refractive Indexn=1.6948 @1.54 m
    Thermal Conductivity/(Wcm-1K-1@25°C)0.033W
    Thermal Expansion /(10-6 /°C@25°C )1.046
    Specific Heat/ (Jg-1K-1)5.9
    Hardness (Mohs)8.2
    Extinction Ratio25dB
    Orientation[100] or [111] < ±0.5°
    Optical density0.1-0.9
    Damage Threshold>500 MW/cm2
    Doping concentration of Co2+0.01-0.3 atm%

    Metarial and Specifications

    PropertyValue
    Concentrations(0.05~0.35) wt%
    Absorption coefficient07 cm-1
    Ground-state absorption cross-section
    GSA(E-19 cm2)
    2.8(±0.4)@1340nm
    Excited state absorption cross-section
    ESA(E-20 cm2)
    2.0(±0.6)@1340nm
    Ground-state absorption cross-section
    GSA(E-20 cm2)
    3.5(±0.4)@1540nm
    Excited state absorption cross-section
    ESA(E-20 cm2)
    1.0(±0.6)@1540nm
    Working wavelength1200 1600 nm
    End ConfigurationFlat/Flat
    Figure of Merit(FOM)100~300
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