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  • >FTIR Calcium Fluoride Windows

    • FTIR Calcium Fluoride Windows

    Calcium fluoride (CaF2) is a material with excellent optical properties and is also an ideal material for making FTIR window plates. It has high transparency in the infrared spectral range, allowing infrared light to penetrate smoothly and achieve spectral analysis of the sample. In addition, calcium fluoride also has characteristics such as low refractive index, low chromatic aberration, and high damage threshold. It is widely used in spectral analysis, fluorescence imaging, laser systems and other fields. In addition to calcium fluoride materials, micron optics can also provide FTIR window pieces made of barium fluoride, lithium fluoride, silicon, zinc selenide, zinc sulfide, fused silica and other materials.

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    Technical Parameter

    Material Data

    Transmittance

    Application Field

    Related Products
      Dia(mm) ThK(mm) Surface Quality Surface Accuracy Substrate Material Compare
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    Infrared polycrystalline calcium fluoride
    		 
    More+ Less 6 1 60-40 5(3) Infrared polycrystalline calcium fluoride

    Φ6mm，ThK 1mm，FTIR Calcium Fluoride Windows

    Number：PCa01B011

    Dia(mm)：6 ThK(mm)：1 Surface Quality：60-40 Surface Accuracy：5(3) Parallelism：3′ Diameter Tolerance(mm)：0.0/-0.1 Thk Tolerance(mm)：±0.1 Transmission Range：0.13-10μm Substrate Material：Infrared polycrystalline calcium fluoride Bevel(mm)：0.35 Chipping(mm)：0.35 REACH：Compliant ROHS：Compliant
    More+ Less 12 1 60-40 5(3) Infrared polycrystalline calcium fluoride

    Φ12mm，ThK 1mm，FTIR Calcium Fluoride Windows

    Number：PCa01C003

    Dia(mm)：12 ThK(mm)：1 Surface Quality：60-40 Surface Accuracy：5(3) Parallelism：3′ Diameter Tolerance(mm)：0.0/-0.1 Thk Tolerance(mm)：±0.1 Transmission Range：0.13-10μm Substrate Material：Infrared polycrystalline calcium fluoride Bevel(mm)：0.35 Chipping(mm)：0.35 REACH：Compliant ROHS：Compliant
    More+ Less 12 3 60-40 5(3) Infrared polycrystalline calcium fluoride

    Φ12mm，ThK 3mm，FTIR Calcium Fluoride Windows

    Number：PCa01C026

    Dia(mm)：12 ThK(mm)：3 Surface Quality：60-40 Surface Accuracy：5(3) Parallelism：3′ Diameter Tolerance(mm)：0.0/-0.1 Thk Tolerance(mm)：±0.1 Transmission Range：0.13-10μm Substrate Material：Infrared polycrystalline calcium fluoride Bevel(mm)：0.35 Chipping(mm)：0.35 REACH：Compliant ROHS：Compliant
    More+ Less 13 1 60-40 5(3) Infrared polycrystalline calcium fluoride

    Φ13mm，ThK 1mm，FTIR Calcium Fluoride Windows

    Number：PCa01C027

    Dia(mm)：13 ThK(mm)：1 Surface Quality：60-40 Surface Accuracy：5(3) Parallelism：3′ Diameter Tolerance(mm)：0.0/-0.1 Thk Tolerance(mm)：±0.1 Transmission Range：0.13-10μm Substrate Material：Infrared polycrystalline calcium fluoride Bevel(mm)：0.35 Chipping(mm)：0.35 REACH：Compliant ROHS：Compliant
    More+ Less 13 2 60-40 5(3) Infrared polycrystalline calcium fluoride

    Φ13mm，ThK 2mm，FTIR Calcium Fluoride Windows

    Number：PCa01C028

    Dia(mm)：13 ThK(mm)：2 Surface Quality：60-40 Surface Accuracy：5(3) Parallelism：3′ Diameter Tolerance(mm)：0.0/-0.1 Thk Tolerance(mm)：±0.1 Transmission Range：0.13-10μm Substrate Material：Infrared polycrystalline calcium fluoride Bevel(mm)：0.35 Chipping(mm)：0.35 REACH：Compliant ROHS：Compliant
    More+ Less 15 2 60-40 5(3) Infrared polycrystalline calcium fluoride

    Φ15mm，ThK 2mm，FTIR Calcium Fluoride Windows

    Number：PCa01C029

    Dia(mm)：15 ThK(mm)：2 Surface Quality：60-40 Surface Accuracy：5(3) Parallelism：3′ Diameter Tolerance(mm)：0.0/-0.1 Thk Tolerance(mm)：±0.1 Transmission Range：0.13-10μm Substrate Material：Infrared polycrystalline calcium fluoride Bevel(mm)：0.35 Chipping(mm)：0.35 REACH：Compliant ROHS：Compliant
    More+ Less 17.5 4 60-40 5(3) Infrared polycrystalline calcium fluoride

    Φ17.5mm，ThK 4mm，FTIR Calcium Fluoride Windows

    Number：PCa01D032

    Dia(mm)：17.5 ThK(mm)：4 Surface Quality：60-40 Surface Accuracy：5(3) Parallelism：3′ Diameter Tolerance(mm)：0.0/-0.1 Thk Tolerance(mm)：±0.1 Transmission Range：0.13-10μm Substrate Material：Infrared polycrystalline calcium fluoride Bevel(mm)：0.35 Chipping(mm)：0.35 REACH：Compliant ROHS：Compliant
    More+ Less 18 5 60-40 5(3) Infrared polycrystalline calcium fluoride

    Φ18mm，ThK 5mm，FTIR Calcium Fluoride Windows

    Number：PCa01D033

    Dia(mm)：18 ThK(mm)：5 Surface Quality：60-40 Surface Accuracy：5(3) Parallelism：3′ Diameter Tolerance(mm)：0.0/-0.1 Thk Tolerance(mm)：±0.1 Transmission Range：0.13-10μm Substrate Material：Infrared polycrystalline calcium fluoride Bevel(mm)：0.35 Chipping(mm)：0.35 REACH：Compliant ROHS：Compliant
    More+ Less 19 2 60-40 5(3) Infrared polycrystalline calcium fluoride

    Φ19mm，ThK 2mm，FTIR Calcium Fluoride Windows

    Number：PCa01D034

    Dia(mm)：19 ThK(mm)：2 Surface Quality：60-40 Surface Accuracy：5(3) Parallelism：3′ Diameter Tolerance(mm)：0.0/-0.1 Thk Tolerance(mm)：±0.1 Transmission Range：0.13-10μm Substrate Material：Infrared polycrystalline calcium fluoride Bevel(mm)：0.35 Chipping(mm)：0.35 REACH：Compliant ROHS：Compliant
    More+ Less 20 2.5 60-40 5(3) Infrared polycrystalline calcium fluoride

    Φ20mm，ThK 2.5mm，FTIR Calcium Fluoride Windows

    Number：PCa01D035

    Dia(mm)：20 ThK(mm)：2.5 Surface Quality：60-40 Surface Accuracy：5(3) Parallelism：3′ Diameter Tolerance(mm)：0.0/-0.1 Thk Tolerance(mm)：±0.1 Transmission Range：0.13-10μm Substrate Material：Infrared polycrystalline calcium fluoride Bevel(mm)：0.35 Chipping(mm)：0.35 REACH：Compliant ROHS：Compliant
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    Material Data
    Optical Properties
    Transmission Range0.13-10μm
    Transmittance>94%@193nm-7.87μm
    Refractive Index

    1.4288@2.5μm

    1.39908@5μm

    Reflection Loss5.4%@5μm(both surfaces)
    Absorption Coefficienet7.8×10-4@2.7μm
    StructureCubic Crystal System
    Cleavage Planes<111>
    Physical Properties
    Density[g/cm3]3.18
    Melting Point [℃]1420
    ThermalConductivity [W/(m×K)]9.71 @ 293K
    Thermal Expansion [10-6/K]18.5 @ 273K
    Knoop Hardness [kg/mm2]158.3
    Specific Heat Capacity [J/(kg×K)]854
    Dielectric Constant6.76 @ 1 MHz
    Young's Modulus (E) [GPa]75.8
    Shear Modulus(G) [GPa]33.77
    Bulk modulus(K) [GPa]82.71
    Poisson Coefficient0.26
    Chemical Properties
    Solubility / g/L0.016g @ 20℃
    Molecular Weight / g/mol78.0748


    IR Calcium Fluoride Transmittance CurveIR Calcium Fluoride Transmittance Curve

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