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IR Analytic 125nm Isometric CaF2 Fluoride Crystal

    Buy cheap IR Analytic 125nm Isometric CaF2 Fluoride Crystal from wholesalers
     
    Buy cheap IR Analytic 125nm Isometric CaF2 Fluoride Crystal from wholesalers
    • Buy cheap IR Analytic 125nm Isometric CaF2 Fluoride Crystal from wholesalers
    • Buy cheap IR Analytic 125nm Isometric CaF2 Fluoride Crystal from wholesalers
    • Buy cheap IR Analytic 125nm Isometric CaF2 Fluoride Crystal from wholesalers

    IR Analytic 125nm Isometric CaF2 Fluoride Crystal

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    Brand Name : CRYLINK
    Model Number : CRYLINK- CaF2 Fluoride Crystal
    Certification : Iso9001
    Price : negotiation
    Payment Terms : TT
    Supply Ability : 10000 pieces /month
    Delivery Time : 3-4 weeks
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    IR Analytic 125nm Isometric CaF2 Fluoride Crystal

    CaF2 Optical Crystal
    Description
    Calcium fluoride(CaF2) is a very important optical functional crystal, which has good optical properties, mechanical properties and chemical stability. It can be used as optical crystal, laser crystal and inorganic scintillation crystal. It has a wide transmittance range (0.125-10 μm), and is widely used as optical medium from vacuum ultraviolet to mid infrared. CaF2 crystal is an ideal optical material for achromatic lenses because of its special refractive index and relative dispersion. At present, deep UV excimer laser lithography is developing from 193 nm to 121 nm. CaF2 single crystal has the advantages of good ultraviolet transmittance, high laser damage resistance threshold, low stress birefringence and high refractive index, which makes it the best choice for the research of deep UV excimer laser lithography. In terms of laser applications, laser diode pumped CaF2 crystals activated by Er3+, Tm3+, Yb3+ and other 3-valent rare earth ions were obtained at room temperature.
    Features
    • Excellent transmission from 125nm to 10um
    • Good optical properties, mechanical behavior and chemical stability
    • Anisotropy, soft and brittle, high coefficient of thermal expansion and easy cleavage
    • Special refractive index and relative dispersion value
    • Soluble in acids
    • Good ultraviolet transmittance, high laser damage resistance threshold, low stress birefringence and high refractive index

    Applications


    • Optical crystal, laser crystal(IR, UV, VUV)
    • Optical media and optical material
    • Best material for the study of deep UV excimer laser lithography
    • Substrate, optical waveguide
    • IR analytic, astronomical-und camera lenses and optics for Excimer laser

    Orientation[100] or [001] < ±0.5°
    Orientation Tolerance< 0.5°
    Parallelism<20〞
    Perpendicularity
    Surface Quality10-5 (MIL-O-13830A)
    Wavefront Distortion<λ/4@633 nm
    Surface Flatness<λ/8 @633 nm
    Clear Aperture>90%
    Thickness/Diameter Tolerance

    ±0.05 mm


    Crystal SystemIsometric
    HabitCubic, massive
    Space GroupFm3m
    Class (H-M)m3m (4/m 3 2/m) – Hexoctahedral
    Lattice Constants5.4626 Å
    Z4
    StreakWhite
    Density3.175…3.56g/cm3
    Melting Point1418°C
    Thermal Conductivity /(W·m-1·K-1@25°C)9.71@[111]
    Heat Capacity/(J ·(kg·K)-1)854
    Thermal Expansion /(10-6·K-1@25°C )18.9
    Young`s Modulus /GPa75.8
    TenacityBrittle
    Cleavage QualityPerfect, perfect and easy
    Hardness (Mohs)4
    FractureConchoidal

    Transmission Range0.125 – 10 µm
    Refractive Index1.432-1.436
    Reflective Loss2.89@4µm
    Optical CharacterIsotropic
    Surface ReliefModerate
    BirefringenceNone
    PleochroismAbsent
    Dispersion0.007
    Poisson Ratio0.29
    Dielectric Constant6.76

    λ(μm)nλ(μm)nλ(μm)n
    0.181.510.321.455.821.39
    0.191.500.431.446.201.38
    0.211.490.881.436.711.37
    0.221.482.671.427.001.36
    0.241.473.941.417.531.35
    0.271.465.011.408.221.34

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