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Optical IR Calcium Fluoride CaF2 Infrared Window For Infrared Application

    Buy cheap Optical IR Calcium Fluoride CaF2 Infrared Window For Infrared Application from wholesalers
     
    Buy cheap Optical IR Calcium Fluoride CaF2 Infrared Window For Infrared Application from wholesalers
    • Buy cheap Optical IR Calcium Fluoride CaF2 Infrared Window For Infrared Application from wholesalers
    • Buy cheap Optical IR Calcium Fluoride CaF2 Infrared Window For Infrared Application from wholesalers
    • Buy cheap Optical IR Calcium Fluoride CaF2 Infrared Window For Infrared Application from wholesalers

    Optical IR Calcium Fluoride CaF2 Infrared Window For Infrared Application

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    Brand Name : Wuhan Siwer Optics
    Price : 20-98USD/piece
    Payment Terms : T/T, Western Union
    Supply Ability : 1000 pieces/month
    Delivery Time : 3-5 weeks
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    Optical IR Calcium Fluoride CaF2 Infrared Window For Infrared Application

    High quality optical IR Calcium Fluoride CaF2 windows for Infrared application

    CaF2 is commonly used for applications requiring high transmission in the infrared and ultraviolet spectral ranges. Its extremely
    high laser damage threshold allows it to be used with excimer lasers. The material exhibits a low refractive index, varying from
    1.35 to 1.51 within its usage range of 180 nm to 8.0 μm. Calcium fluoride is also fairly chemically inert and offers superior
    hardness compared to its barium fluoride, magnesium fluoride, and lithium fluoride cousins. Calcium Fluoride has widespread IR application as windows, prisms and other lenses.





    Optical Properties of CaF2 Window

    MaterialCalcium Fluoride
    Diameter Tolerance+0.0/-0.1 mm
    Thickness Tolerance±0.1 mm
    Parallelism1 arc min
    Surface Quality60-40 Scratch-Dig
    Surface Flatness
    (Plano Side)
    λ/2 at 633nm
    Surface Irregularity
    (Peak to Valley)
    λ/2 at 633nm
    Clear Aperture90%


    Calcium Fluoride properties

    Chemical FormulaCaF2
    Crystal ClassCubic, cleaves [111] plane
    Lattice Constant, Å5.46
    Density, g/cm3 (20 °C)3.18
    Molecular Weight78.08
    Reflection Loss5.4% at 5 μm
    Absorption Coefficient7.8 x 10-4 cm-1 @ 2.7 μm
    Dielectric Constant for 105 Hz6.76
    Melting Temperature, K1630
    Thermal Conductivity, W/(m K) at 273 K10
    Thermal Expansion, 1/K at 300 K18.9 x 10-6
    Specific Heat, cal/(g K) at 273 K0.204
    Debye Temperature, K510
    Young's Modulus, GPa75.79
    Rupture Modulus, GPa0.0365
    Shear Modulus, GPa33.76
    Bulk Modulus, GPa83.03
    Poisson's Ratio0.28
    Knoop Hardness, kg/mm2178 [100], 160 [110]


    Infrared Elements Selection Guide


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    Quality Optical IR Calcium Fluoride CaF2 Infrared Window For Infrared Application for sale
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