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Optical Infrared Prism , 90 Degree Right Angle CaF2 Calcium Fluoride Prim

    Buy cheap Optical Infrared Prism , 90 Degree Right Angle CaF2 Calcium Fluoride Prim from wholesalers
     
    Buy cheap Optical Infrared Prism , 90 Degree Right Angle CaF2 Calcium Fluoride Prim from wholesalers
    • Buy cheap Optical Infrared Prism , 90 Degree Right Angle CaF2 Calcium Fluoride Prim from wholesalers
    • Buy cheap Optical Infrared Prism , 90 Degree Right Angle CaF2 Calcium Fluoride Prim from wholesalers
    • Buy cheap Optical Infrared Prism , 90 Degree Right Angle CaF2 Calcium Fluoride Prim from wholesalers
    • Buy cheap Optical Infrared Prism , 90 Degree Right Angle CaF2 Calcium Fluoride Prim from wholesalers

    Optical Infrared Prism , 90 Degree Right Angle CaF2 Calcium Fluoride Prim

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    Brand Name : Wuhan Siwer Optics
    Price : 50 USD/piece
    Payment Terms : T/T, Western Union
    Supply Ability : 1000 pieces/month
    Delivery Time : 5-7weeks
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    Optical Infrared Prism , 90 Degree Right Angle CaF2 Calcium Fluoride Prim

    Calcium Fluoride (CaF2) Prims

    Calcium Fluoride is superior to UV Fused Silica in deep UV applications. It has a transmission greater than 75% between 0.15-9µm and transmits efficiently up to about 8µm transmitting over 90%. Calcium Fluoride has a hardness of HK158, which is approximately twice as hard as BaF₂. Calcium Fluoride is not readily degraded under normal atmospheric conditions until 600°C when it starts to soften. In dry conditions Calcium Fluoride has a maximum operating temperature of 800°C. Calcium fluoride can be vulnerable to thermal shock at high temperatures. When calcium fluoride powder is compressed in moulds the resulting material is called Irtran-3.




    Optical Properties of CaF2 Prisms

    MaterialCalcium Fluoride
    AR Coating Range0.15-9um
    Diameter Tolerance+0.0/-0.1 mm
    Thickness Tolerance±0.1 mm
    Surface Quality60-40 Scratch-Dig
    Surface Flatness
    (Plano Side)
    λ/2 at 633nm
    Surface Irregularity
    (Peak to Valley)
    λ/4 at 633nm
    Angle tolerance3 arcmin (5 seconds according to customer requirements)



    Transmittance of CaF2 window(T=2mm)


    CaF2 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]

    Production Line



    Infrared Elements Selection Guide


    Product Tags:

    right angle prism

      

    ir prism

      
    Quality Optical Infrared Prism , 90 Degree Right Angle CaF2 Calcium Fluoride Prim for sale
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