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α-Bbo α Barium Metaborate Optical Crystal 189nm-3500nm

    Buy cheap α-Bbo α Barium Metaborate Optical Crystal 189nm-3500nm from wholesalers
     
    Buy cheap α-Bbo α Barium Metaborate Optical Crystal 189nm-3500nm from wholesalers
    • Buy cheap α-Bbo α Barium Metaborate Optical Crystal 189nm-3500nm from wholesalers

    α-Bbo α Barium Metaborate Optical Crystal 189nm-3500nm

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    Brand Name : ZCQ
    Model Number : Customized
    Certification : RoHS
    Payment Terms : T/T
    Supply Ability : 1000 pieces per month
    Delivery Time : 3-4 weeks
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    α-Bbo α Barium Metaborate Optical Crystal 189nm-3500nm

    α-BBO α Barium metaborate crystal


    Barium metaborate (α-BBO) crystal is an excellent birefringent material with excellent optical properties and excellent transmittance in both ultraviolet and mid infrared. α-BBO crystals have good internal quality, low absorption, and are widely used in high extinction ratio and deep ultraviolet laser systems due to their excellent ultraviolet transmittance. They are mainly processed into Glan polarization prisms, polarization beam splitters, compensators, and so on.

    Application: Gran prism, polarization beam splitter, compensator, etc


    Specifications:

    Diameter:Max 50m
    Length:Max 35mm
    Surface Quality:better than 20/10 scratch/dig
    Beam Deviation:< 3 arc min
    Optical Axis Orientation:+/-0.2deg
    Flatness:< λ/4 @632.8nm
    Wavefront Distortion:< λ/2 @632.8nm
    Coating:Coating upon Request

    Properties:

    Transmitting range189nm~3500nm
    Density3.85g/cm3
    Therm-Optic Coefficientsdno/dT=-9.3 x 10-6/ °C
    dno/dT=-16.6x10-6/ °C
    Optical HomogeneityΔn≈10-6/cm
    Mohs Hardness4.5
    Damage Threshold1GW/cm2 at 1064nm
    500MW/cm2 at 532nm
    Hygroscopic SusceptibilityLow
    Thermal Expansion Coefficientsαa=4x10-6
    (25 °C - 900 °C)αa=4x10-6
    Linear Absorption Coefficientsa<0.005cm-1 from 300nm to 2300nm
    Refractive Indices,
    Birefringence(△n=ne-no)
    and wal-off Angle at 45 °C(ρ)
    ne=1.58462,no=1.65790,Dn=-0.073282;ρ=-4.9532° at 1064nm
    ne=1.60206,no=1.67755,Dn=-0.075491;ρ=-5.0407° at 532nm
    ne=1.67190,no=1.76171,Dn=-0.089805;ρ=-5.6926° at 266nm
    Sellmeier equation(l in μm)no2=2.7471+0.01878/( λ2-0.01822)-0.01354 λ2
    ne2=2.37153+0.01224/( λ2-0.01667)-0.01516 λ2

    Quality α-Bbo α Barium Metaborate Optical Crystal 189nm-3500nm for sale
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