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  • >Calcium Fluoride Plano-convex Lens

    • Calcium Fluoride Plano-convex Lens

    Calcium fluoride plano-convex lenses has the characteristics of wide transmission spectrum (180nm-8.0μm), high damage threshold, low fluorescence, high uniformity and so on. The physical characteristics are soft, the surface is easy to scratch, and it is often used in the collimation of lasers, and is also often used as the base of a variety of optical components. It is characterized by a positive focal length, one side is flat, and the other side is convex. You can focus light into a single point. It is often used for the aiming and focusing of monochromatic light sources, which can focus the incident light into a single point. It is also commonly used in beam shaping, beam collimation, beam expansion, beam contraction and other applications. It can be plated with MgF2, UV-AR, UV-VIS, VIS-EXT, VIS-NIR, NIR I, NIR II, Telecom-NIR, SWIR, SWIR, YAG-BBAR and other film systems.

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    Technical Parameter

    Material Data

    Transmittance

    Application Field

    Related Products
      Dia(mm) Focal Length(mm) Center Thickness(mm) Edge Thickness(mm) Design Wavelength(μm) Radius of Curvature(mm) Surface Quality Compare
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    76.2 50.8 38.1 25.4 12.7
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    F200 F150 F1000 F500 F300 F100 F250 F2000 F75 F25 F80 F50 F40 F30 F25.4 F20
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    12.7 16.6 3.7 4.5 5.5 6.8 8.2 11.2 3.8 4.3 5 2.1 2.2 2.6 2.7 2.5 3.2 3
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    3 2 1.5 0.89
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    79.98 59.98 433.8 216.9 130.2 86.8 65.1 43.4 100 39.99 799.8 209.1 104.57 83.65 31.4 29.99 10 34.7 21.7 17.4 13.0 10.622 8.7
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    60-40 40-20
    		 
    More+ Less 76.2 F200 12.7 3 5 79.98 60-40

    Φ76.2mm，F200，Calcium Fluoride Planoconvex Lens

    Number：PCa03H002

    Dia(mm)：76.2 Focal Length(mm)：F200 Center Thickness(mm)：12.7 Edge Thickness(mm)：3 Design Wavelength(μm)：5 Radius of Curvature(mm)：79.98 Surface Quality：60-40 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Calcium Fluoride（CaF2） Power@632.8nm：/ Irregularity@632.8nm：λ PV@632.8nm：/ Centering：3′ Clear Aperture：90% Coating：Uncoated REACH：Compliant ROHS：Compliant
    More+ Less 76.2 F150 16.6 3 5 59.98 60-40

    Φ76.2mm，F150，Calcium Fluoride Planoconvex Lens

    Number：PCa03H001

    Dia(mm)：76.2 Focal Length(mm)：F150 Center Thickness(mm)：16.6 Edge Thickness(mm)：3 Design Wavelength(μm)：5 Radius of Curvature(mm)：59.98 Surface Quality：60-40 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Calcium Fluoride（CaF2） Power@632.8nm：/ Irregularity@632.8nm：λ PV@632.8nm：/ Centering：3′ Clear Aperture：90% Coating：Uncoated REACH：Compliant ROHS：Compliant
    More+ Less 50.8 F1000 3.7 3 0.588 433.8 40-20

    Φ50.8mm，F1000，Calcium Fluoride Planoconvex Lens

    Number：PCa03F031

    Dia(mm)：50.8 Focal Length(mm)：F1000 Center Thickness(mm)：3.7 Edge Thickness(mm)：3 Design Wavelength(μm)：0.588 Radius of Curvature(mm)：433.8 Surface Quality：40-20 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Calcium Fluoride（CaF2） Power@632.8nm：3/2λ Irregularity@632.8nm：λ/2 PV@632.8nm：/ Centering：3′ Clear Aperture：90% Coating：Uncoated REACH：Compliant ROHS：Compliant
    More+ Less 50.8 F500 4.5 3 0.588 216.9 40-20

    Φ50.8mm，F500，Calcium Fluoride Planoconvex Lens

    Number：PCa03F030

    Dia(mm)：50.8 Focal Length(mm)：F500 Center Thickness(mm)：4.5 Edge Thickness(mm)：3 Design Wavelength(μm)：0.588 Radius of Curvature(mm)：216.9 Surface Quality：40-20 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Calcium Fluoride（CaF2） Power@632.8nm：3/2λ Irregularity@632.8nm：λ/2 PV@632.8nm：/ Centering：3′ Clear Aperture：90% Coating：Uncoated REACH：Compliant ROHS：Compliant
    More+ Less 50.8 F300 5.5 3 0.588 130.2 40-20

    Φ50.8mm，F300，Calcium Fluoride Planoconvex Lens

    Number：PCa03F029

    Dia(mm)：50.8 Focal Length(mm)：F300 Center Thickness(mm)：5.5 Edge Thickness(mm)：3 Design Wavelength(μm)：0.588 Radius of Curvature(mm)：130.2 Surface Quality：40-20 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Calcium Fluoride（CaF2） Power@632.8nm：3/2λ Irregularity@632.8nm：λ/2 PV@632.8nm：/ Centering：3′ Clear Aperture：90% Coating：Uncoated REACH：Compliant ROHS：Compliant
    More+ Less 50.8 F200 6.8 3 0.588 86.8 40-20

    Φ50.8mm，F200，Calcium Fluoride Planoconvex Lens

    Number：PCa03F028

    Dia(mm)：50.8 Focal Length(mm)：F200 Center Thickness(mm)：6.8 Edge Thickness(mm)：3 Design Wavelength(μm)：0.588 Radius of Curvature(mm)：86.8 Surface Quality：40-20 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Calcium Fluoride（CaF2） Power@632.8nm：3/2λ Irregularity@632.8nm：λ/2 PV@632.8nm：/ Centering：3′ Clear Aperture：90% Coating：Uncoated REACH：Compliant ROHS：Compliant
    More+ Less 50.8 F150 8.2 3 0.588 65.1 40-20

    Φ50.8mm，F150，Calcium Fluoride Planoconvex Lens

    Number：PCa03F027

    Dia(mm)：50.8 Focal Length(mm)：F150 Center Thickness(mm)：8.2 Edge Thickness(mm)：3 Design Wavelength(μm)：0.588 Radius of Curvature(mm)：65.1 Surface Quality：40-20 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Calcium Fluoride（CaF2） Power@632.8nm：3/2λ Irregularity@632.8nm：λ/2 PV@632.8nm：/ Centering：3′ Clear Aperture：90% Coating：Uncoated REACH：Compliant ROHS：Compliant
    More+ Less 50.8 F100 11.2 3 0.588 43.4 40-20

    Φ50.8mm，F100，Calcium Fluoride Planoconvex Lens

    Number：PCa03F026

    Dia(mm)：50.8 Focal Length(mm)：F100 Center Thickness(mm)：11.2 Edge Thickness(mm)：3 Design Wavelength(μm)：0.588 Radius of Curvature(mm)：43.4 Surface Quality：40-20 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Calcium Fluoride（CaF2） Power@632.8nm：3/2λ Irregularity@632.8nm：λ/2 PV@632.8nm：/ Centering：3′ Clear Aperture：90% Coating：Uncoated REACH：Compliant ROHS：Compliant
    More+ Less 38.1 F250 3.8 2 5 100 60-40

    Φ38.1mm，F250，Calcium Fluoride Planoconvex Lens

    Number：PCa03F013

    Dia(mm)：38.1 Focal Length(mm)：F250 Center Thickness(mm)：3.8 Edge Thickness(mm)：2 Design Wavelength(μm)：5 Radius of Curvature(mm)：100 Surface Quality：60-40 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Calcium Fluoride（CaF2） Power@632.8nm：/ Irregularity@632.8nm：/ PV@632.8nm：λ/4 Centering：3′ Clear Aperture：90% Coating：Uncoated REACH：Compliant ROHS：Compliant
    More+ Less 38.1 F200 4.3 2 5 79.98 60-40

    Φ38.1mm，F200，Calcium Fluoride Planoconvex Lens

    Number：PCa03F012

    Dia(mm)：38.1 Focal Length(mm)：F200 Center Thickness(mm)：4.3 Edge Thickness(mm)：2 Design Wavelength(μm)：5 Radius of Curvature(mm)：79.98 Surface Quality：60-40 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Calcium Fluoride（CaF2） Power@632.8nm：/ Irregularity@632.8nm：/ PV@632.8nm：λ/4 Centering：3′ Clear Aperture：90% Coating：Uncoated 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
    Thermal Conductivity [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

    Calcium Fluoride Transmittance CurveCalcium Fluoride Transmittance Curve

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