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2MHz Scintillator IR Optics BaF2 Fluoride Crystal

    Buy cheap 2MHz Scintillator IR Optics BaF2 Fluoride Crystal from wholesalers
     
    Buy cheap 2MHz Scintillator IR Optics BaF2 Fluoride Crystal from wholesalers
    • Buy cheap 2MHz Scintillator IR Optics BaF2 Fluoride Crystal from wholesalers
    • Buy cheap 2MHz Scintillator IR Optics BaF2 Fluoride Crystal from wholesalers

    2MHz Scintillator IR Optics BaF2 Fluoride Crystal

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    Brand Name : CRYLINK
    Model Number : CRYLINK- CaB2 Fluoride Crystal
    Certification : Iso9001
    Price : negotiation
    Payment Terms : T/T
    Supply Ability : 10000 pieces /month
    Delivery Time : 3-4 weeks
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    2MHz Scintillator IR Optics BaF2 Fluoride Crystal

    CaB2 Fluoride Crystal
    Description
    Barium fluoride (BaF2) is a general-purpose optical window material that offers a wide range of transparency, from the ultraviolet to the long-wave infrared, with low reflectance loss and low dispersion. BaF2 single crystal is an intensively studied scintillator for the detection of gamma radiation due to its relatively high stopping power, radiation hardness and extremely fast response. BaF2 possesses the fast cross-luminescence component at 195 and 220 nm with a lifetime of several hundred picoseconds. However, this component coexists with slow one at 310 nm related to the self-trapped exciton (STE). BaF2 is a broad band gap crystal with Eg=10:9 eV. It is currently regarded as the fastest inorganic scintillator which has cross-luminescence bands peaked at 195 and 220 nm and a broad band peaking at about 300 nm due to self-trapped excitons. Much attention has been focused on the luminescent properties of rare earth ions activated BaF2.
    Features
    • Excellent transmission from 150nm to 12um
    • Chemically stable
    • Low reflectance loss and low dispersion
    • High stopping power, radiation hardness and extremely fast response
    • Broad band gap
    • Susceptible to thermal shock
    • Possesses the fast cross-luminescence component at 195 and 220 nm with a lifetime of several hundred picoseconds

    Applications

    • Window and focusing mirror for deep uv and excimer lasers
    • Scintillator,IR optics
    • Inorganic scintillator for subnanosecond timing

    Parameter


    Orientation[100] or [111] < ±0.5°
    Angle Tolerance< 0.5°
    Parallelism<20〞
    Perpendicularity
    Surface Quality10-5 (MIL-O-13830A)
    Wavefront Distortion<λ/4@633 nm
    Surface Flatness<λ/8 @633 nm
    Clear Aperture>90%
    Thickness/Diameter Tolerance±0.05 mm
    Crystal SystemIsometric
    HabitCubic
    Space GroupFm3m(Oh5
    Lattice Constants6.2001 Å
    Specific mass4.886 g/cm3
    Melting Point1354°C
    Flexure Strength (MPa)27
    TenacityBrittle
    Thermal Conductivity /(W·cm-1·K-1@25°C)0.07
    Specific Heat/ (J·g-1·K-1)1.003
    Thermal Expansion /(10-6·K-1@25°C )13.7
    Hardness (kg/mm2@Knoop)78
    Young`s Modulus /GPa138.5
    Fracture{111} and {100}
    Transmission Range0.15 … 12 µm
    Reflective Loss6 … 16%@0.2 … 10 µm
    Thermo-optic coefficient(10-6·K-1@30…90°C )-18.8
    Poisson Ratio0.31
    Dielectric Constant7.33@f=2MHz
    λ(μm)nλ(μm)nλ(μm)n
    0.21.557341.455891.4144
    0.51.477951.4511101.4011
    11.468661.4441111.3865
    21464771.4357121.3696
    31.461281.425812.51.3585
    151.305


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