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AR Coated Infrared Zinc Selenide Window , Round Shape,Low Dispersion,for Thermal Imaging, FLIR, and Medical Systems

Categories Infrared Window
Brand Name: Wuhan Siwer Optics
Place of Origin: Wuhan,China
MOQ: 5 pieces
Price: 20-500USD/piece
Payment Terms: T/T, Western Union
Supply Ability: 1000 pieces/month
Delivery Time: 3-6 weeks
Packaging Details: 1.Tissue paper. 2.Plastic foam packaging film. 3.Hard carton box with quakeproof filler
Material: CVD ZnSe
Size tolerance: +/-0.1mm
Chamfer: 0.2-0.5mm
Surface quality: 60/40
Surface flatness: Lambda/4 in 25.4mm
Parallelism: 0.01mm
Standard coating: AR/AR@8-14um
Size range: 3-200mm
Usage: Camera
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    AR Coated Infrared Zinc Selenide Window , Round Shape,Low Dispersion,for Thermal Imaging, FLIR, and Medical Systems

    Infrared CVD ZnSe window

    * Low Dispersion
    * Available Uncoated or AR Coated
    * Ideal for Thermal Imaging, FLIR, and Medical Systems


    Zinc Selenide Windows (ZnS Windows) are perfect for a wide variety of infrared applications including thermal imaging, FLIR, and medical systems. This chemical vapor deposited material has extensive usage in high power CO2 laser systems because of its low absorption coefficient and high resistance to thermal shock. Zinc Selenide (ZnSe) is a relatively soft material that scratches easily, and it is not recommended in harsh environments because its Knoop Hardness is only 120.


    Note: Special care should be taken when handling Zinc Selenide as it is a toxic material. Always wear rubber or plastic gloves to avoid the risk of contamination.




    Optical Properties of ZnSe Window

    MaterialCVD ZnSe
    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%



    Transmittance



    ZnSe properties

    Chemical FormulaZnSe
    Molecular Weight144.33
    Crystal ClassCubic, hexagonal
    Crystal StructurePolycrystalline
    Density, g/cm3 at 293 K5.27
    Melting Temperature, K1790
    Thermal Conductivity, W/(m K) at 300 K18
    Thermal Expansion, 1/K 
    at 173 K5.6 x 10-6
    at 273 K7.1 x 10-6
    at 473 K8.3 x 10-6
    Specific Heat, cal/(g K) at 296 K0.081
    Debye Temperature, K246
    Bandgap, eV2.7
    Solubility in water at 298 K0.001 g/100 g H2O
    Knoop Hardness, kg/mm2(100 g load)105
    Young's Modulus, GPa70
    Bulk Modulus, GPa40
    Poisson's Ratio0.28


    Infrared Elements Selection Guide


    Quality AR Coated Infrared Zinc Selenide Window , Round Shape,Low Dispersion,for Thermal Imaging, FLIR, and Medical Systems for sale
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