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Yb KGW Crystal Laser Material With Great Potential For High Power Short Pulse Time

    Buy cheap Yb KGW  Crystal Laser Material With Great Potential For High Power Short Pulse Time from wholesalers
     
    Buy cheap Yb KGW  Crystal Laser Material With Great Potential For High Power Short Pulse Time from wholesalers
    • Buy cheap Yb KGW  Crystal Laser Material With Great Potential For High Power Short Pulse Time from wholesalers
    • Buy cheap Yb KGW  Crystal Laser Material With Great Potential For High Power Short Pulse Time from wholesalers

    Yb KGW Crystal Laser Material With Great Potential For High Power Short Pulse Time

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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-Yb KGW Laser Crystal
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    Yb KGW Crystal Laser Material With Great Potential For High Power Short Pulse Time

    Laser Crystal Yb:KGW

    Yb3+: KGd(WO4)2 (Yb:KGW) is one of the most promising laser active materials. Yb:KGW crystal is expected to replace Nd:YAG crystal and Yb:YAG crystal in high power diode pumped laser system. Yb:KGW also has great potential for high power, short pulse time femtosecond lasers and their wide application.

    Yb3+:KGW has large absorption coefficient, low quantum defect, high absorption and emission cross section

    The simple two-level electronic structure of the Yb ion avoids undesired loss processes such as upconversion, excited state absorption, and concentration quenching. Compared to the commonly used Nd:YAG crystal, Yb:KGW crystal has a much larger absorption bandwidth, 3 or 4 times longer emission lifetime in similar hosts with enhanced storage capacity, lower quantum defect and is more suitable for diode pumping than the traditional Nd-doped systems. The smaller Stokes shift reduces heating and increases the laser efficiency. In comparison with other Yb doped laser crystals such as Yb:YAG and Yb:YCOB crystals, Yb:KGW has a much higher (13-17 times) cross-section of absorption, lower quantum defect (~4%), a cross-section of emission that is 9 times higher than Yb: YCOB, and an emission band that is broader than Yb:YAG, a high nonlinear coefficient of refraction, and the highest slope efficiency (87%).

    Parameter

    Physical and chemical properties
    Chemical formulapotassium gadolinium tungastate
    Crystal structuremonoclinic double tungstates
    Density7.27 g/cm3
    Transmission range0.35-5.5 m
    Mohs hardness4 to 5
    Refractive indices at 1060 nmng = 2.037, np = 1.986, nm=2.033

    Optical and thermal properties
    Thermal conductivityKa=2.6 W/mK, Kb=3.8 W/mK, Kc=3.4 W/mK
    Thermal optical coefficient @1064 nmdnp/dT=-15.7 * 10-6 K-1
    dnm/dT=-11.8 * 10-6 K-1
    dng/dT=-17.3 * 10-6 K-1
    Thermal expansiona=4X10-6 /°C
    b=3.6X10-6 /°C
    c=8.5X10-6 /°C
    Melting temperature1075 °C
    Absorbtion cross section1.2X10-19 cm2
    Stimulated emission cross section (E| |a)2.6X10-20 cm2
    Laser wavelength1023-1060 nm
    Lasing threshold35 mW
    Stark levels energy (in cm-1) of the 2F5/2 manifolds of Yb3+ @ 77 K10682, 10471, 10188
    Stark levels energy (in cm-1) of the 2F7/2 manifolds of Yb3+ @ 77K535, 385, 163, 0
    optical damage threshold, GW/cm220

    Spectroscopic Properties

    Absorption peak wavelength, lpump, [nm]

    981.2

    Absorption linewidth, Dlpump, [nm]

    3.7


    Product Tags:

    nd yag laser rod

      

    laser material

      
    Quality Yb KGW  Crystal Laser Material With Great Potential For High Power Short Pulse Time for sale
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