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Custom Infrared Window UV And IR Dual Spectrum Flame Detector CaF2 Window

    Buy cheap Custom Infrared Window UV And IR Dual Spectrum Flame Detector CaF2 Window from wholesalers
     
    Buy cheap Custom Infrared Window UV And IR Dual Spectrum Flame Detector CaF2 Window from wholesalers
    • Buy cheap Custom Infrared Window UV And IR Dual Spectrum Flame Detector CaF2 Window from wholesalers
    • Buy cheap Custom Infrared Window UV And IR Dual Spectrum Flame Detector CaF2 Window from wholesalers

    Custom Infrared Window UV And IR Dual Spectrum Flame Detector CaF2 Window

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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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    Custom Infrared Window UV And IR Dual Spectrum Flame Detector CaF2 Window

    UV and IR Dual Spectrum Flame detector CaF2 protected window

    Calcium Fluoride (CaF₂) is commonly used for optics looking at the IR and UV spectrums and has a very low change in refractive index with wavelength.


    Our CaF2 window is selected by many flame detector manufacturers, and we keep long-term cooperation. According to the design requirements of each customer, we continuously supply windows of different specifications.




    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

    Production process


    Quality Custom Infrared Window UV And IR Dual Spectrum Flame Detector CaF2 Window for sale
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