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  • >Zinc Selenide Meniscus Lens

    • Zinc Selenide Meniscus Lens

    Zinc selenide meniscus lenses have characteristics such as high transparency, high anti reflection, and high thermal stability. It can have high transmittance in both visible and infrared bands, as well as low reflectivity and low absorption. Applied in equipment such as LiDAR, optical sensors, and spectrometers. Manufacturing zinc selenide meniscus lenses requires precision machining and polishing processes to ensure their surface quality and optical performance. UM OPTICS provides a diameter of 2-300mm and a thickness of 0.12-60mm (with an accuracy of 20-10,1)/ 10L@633nm ）The zinc selenide meniscus lens can be coated 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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    • Customized

    Please leave a message or inquire about the price online to ensure a satisfactory price for you.

    All products are provided with invoices, with a tax point of 13.

    The product undergoes multiple inspections before being stored, and the quality is guaranteed. Please use it with confidence.

    Spot products, shipped within 48 hours. For non stock or customized products, please consult.

    International order logistics include DHL, FedEx, TNT, and EMS

    When receiving the product, please ensure the integrity of the product packaging box first. If there is serious damage to the appearance, please refuse and contact us, and we will handle it for you as soon as possible.

    Optical products are special items and cannot be returned or exchanged unless there is a quality issue with the product itself

    If you need customization or bulk production, please contact us online and we will offer you a discounted price.

    Technical Parameter

    Material Data

    Transmittance

    Application Field

    Related Products
      Dia(mm) Focal Length(mm) Center Thickness(mm) Edge Thickness(mm) Radius of Curvature(mm) Compare
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    50.8 38.1 25.4 12.7
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    F203 F127 F101 F76.2 F50.8 F63.5 F38.1 F-127 F-100 F-75 F-63.5 F-50 F-38 F-25 F150 F25.4 F-13 F13
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    4.6 5.3 5.8 6.6 8.4 3.6 4 4.3 5.1 5.7 3.2 3 2.7 2.4 2.5 2.6 2.8 2.9 4.4 2.2 1.8 2.1
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    3.5 3 3.7 3.6 3.9 4.4 4.6 5.8 2 1.5
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    R1(633.90) R2(-199.08) R1(449.80) R2(-127.35) R1(225.90) R2(-89.13) R1(179.47) R2(-68.23) R1(103.05) R2(-43.95) R1(633.90) R2(-199.07) R1(250.00) R2(-90.78) R1(161.08) R2(-58.49) R1(107.65) R2(-43.95) R1(79.98) R2(-33.57) R1(127.98) R2(-483.06) R1(104.24) R2(-414.00) R1(66.25) R2(-182.39) R1(64.27) R2(-236.02) R1(43.47) R2(-118.84) R1(37.15) R2(-130.62) R1(21.23) R2(-58.49) R1(299.90) R2(-124.17) R1(449.8) R2(-127.35) R1(122.73) R2(-38.04) R1(58.34) R2(-22.91) R1(10.72) R2(-29.38) R1(107.65) R2(-42.85) R1(66.27) R2(-23.66) R1(22.96) R2(-10.79)
    		 
    More+ Less 50.8 F203 4.6 3.5 R1(633.90) R2(-199.08)

    Φ50.8mm，F203，Zinc Selenide Meniscus Lenses

    Number：PZE07F011

    Dia(mm)：50.8 Focal Length(mm)：F203 Center Thickness(mm)：4.6 Edge Thickness(mm)：3.5 Design Wavelength(μm)：10.6 Radius of Curvature(mm)：R1(633.90) R2(-199.08) Surface Quality：60-40 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Zinc Selenide（ZnSe） Irregularity@632.8nm：λ/4 Centering：<3′ Clear Aperture：>90% Coating：Uncoated REACH：Compliant ROHS：Compliant
    More+ Less 50.8 F127 5.3 3.5 R1(449.80) R2(-127.35)

    Φ50.8mm，F127，Zinc Selenide Meniscus Lenses

    Number：PZE07F010

    Dia(mm)：50.8 Focal Length(mm)：F127 Center Thickness(mm)：5.3 Edge Thickness(mm)：3.5 Design Wavelength(μm)：10.6 Radius of Curvature(mm)：R1(449.80) R2(-127.35) Surface Quality：60-40 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Zinc Selenide（ZnSe） Irregularity@632.8nm：λ/4 Centering：<3′ Clear Aperture：>90% Coating：Uncoated REACH：Compliant ROHS：Compliant
    More+ Less 50.8 F101 5.8 3.5 R1(225.90) R2(-89.13)

    Φ50.8mm，F101，Zinc Selenide Meniscus Lenses

    Number：PZE07F009

    Dia(mm)：50.8 Focal Length(mm)：F101 Center Thickness(mm)：5.8 Edge Thickness(mm)：3.5 Design Wavelength(μm)：10.6 Radius of Curvature(mm)：R1(225.90) R2(-89.13) Surface Quality：60-40 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Zinc Selenide（ZnSe） Irregularity@632.8nm：λ/4 Centering：<3′ Clear Aperture：>90% Coating：Uncoated REACH：Compliant ROHS：Compliant
    More+ Less 50.8 F76.2 6.6 3.5 R1(179.47) R2(-68.23)

    Φ50.8mm，F76.2，Zinc Selenide Meniscus Lenses

    Number：PZE07F008

    Dia(mm)：50.8 Focal Length(mm)：F76.2 Center Thickness(mm)：6.6 Edge Thickness(mm)：3.5 Design Wavelength(μm)：10.6 Radius of Curvature(mm)：R1(179.47) R2(-68.23) Surface Quality：60-40 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Zinc Selenide（ZnSe） Irregularity@632.8nm：λ/4 Centering：<3′ Clear Aperture：>90% Coating：Uncoated REACH：Compliant ROHS：Compliant
    More+ Less 50.8 F50.8 8.4 3.5 R1(103.05) R2(-43.95)

    Φ50.8mm，F50.8，Zinc Selenide Meniscus Lenses

    Number：PZE07F007

    Dia(mm)：50.8 Focal Length(mm)：F50.8 Center Thickness(mm)：8.4 Edge Thickness(mm)：3.5 Design Wavelength(μm)：10.6 Radius of Curvature(mm)：R1(103.05) R2(-43.95) Surface Quality：60-40 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Zinc Selenide（ZnSe） Irregularity@632.8nm：λ/4 Centering：<3′ Clear Aperture：>90% Coating：Uncoated REACH：Compliant ROHS：Compliant
    More+ Less 38.1 F203 3.6 3 R1(633.90) R2(-199.07)

    Φ38.1mm，F203，Zinc Selenide Meniscus Lenses

    Number：PZE07F006

    Dia(mm)：38.1 Focal Length(mm)：F203 Center Thickness(mm)：3.6 Edge Thickness(mm)：3 Design Wavelength(μm)：10.6 Radius of Curvature(mm)：R1(633.90) R2(-199.07) Surface Quality：60-40 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Zinc Selenide（ZnSe） Irregularity@632.8nm：λ/4 Centering：<3′ Clear Aperture：>90% Coating：Uncoated REACH：Compliant ROHS：Compliant
    More+ Less 38.1 F127 4 3 R1(449.80) R2(-127.35)

    Φ38.1mm，F127，Zinc Selenide Meniscus Lenses

    Number：PZE07F005

    Dia(mm)：38.1 Focal Length(mm)：F127 Center Thickness(mm)：4 Edge Thickness(mm)：3 Design Wavelength(μm)：10.6 Radius of Curvature(mm)：R1(449.80) R2(-127.35) Surface Quality：60-40 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Zinc Selenide（ZnSe） Irregularity@632.8nm：λ/4 Centering：<3′ Clear Aperture：>90% Coating：Uncoated REACH：Compliant ROHS：Compliant
    More+ Less 38.1 F101 4.3 3 R1(250.00) R2(-90.78)

    Φ38.1mm，F101，Zinc Selenide Meniscus Lenses

    Number：PZE07F004

    Dia(mm)：38.1 Focal Length(mm)：F101 Center Thickness(mm)：4.3 Edge Thickness(mm)：3 Design Wavelength(μm)：10.6 Radius of Curvature(mm)：R1(250.00) R2(-90.78) Surface Quality：60-40 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Zinc Selenide（ZnSe） Irregularity@632.8nm：λ/4 Centering：<3′ Clear Aperture：>90% Coating：Uncoated REACH：Compliant ROHS：Compliant
    More+ Less 38.1 F63.5 5.1 3 R1(161.08) R2(-58.49)

    Φ38.1mm，F63.5，Zinc Selenide Meniscus Lenses

    Number：PZE07F003

    Dia(mm)：38.1 Focal Length(mm)：F63.5 Center Thickness(mm)：5.1 Edge Thickness(mm)：3 Design Wavelength(μm)：10.6 Radius of Curvature(mm)：R1(161.08) R2(-58.49) Surface Quality：60-40 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Zinc Selenide（ZnSe） Irregularity@632.8nm：λ/4 Centering：<3′ Clear Aperture：>90% Coating：Uncoated REACH：Compliant ROHS：Compliant
    More+ Less 38.1 F50.8 5.7 3 R1(107.65) R2(-43.95)

    Φ38.1mm，F50.8，Zinc Selenide Meniscus Lenses

    Number：PZE07F002

    Dia(mm)：38.1 Focal Length(mm)：F50.8 Center Thickness(mm)：5.7 Edge Thickness(mm)：3 Design Wavelength(μm)：10.6 Radius of Curvature(mm)：R1(107.65) R2(-43.95) Surface Quality：60-40 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Zinc Selenide（ZnSe） Irregularity@632.8nm：λ/4 Centering：<3′ Clear Aperture：>90% Coating：Uncoated REACH：Compliant ROHS：Compliant
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    Material Data
    Physical Properties
    Crystal StructureCubic
    Density [g/cm3]5.27
    Resistivity [Ω.cm]～1012
    Melting Point [℃]1525
    Chemical Purity [%]99.9996
    Thermal Expansion [1/K]

    7.1*10-6@273k

    7.8*10-6@373k

    8.3*10-8@473k

    Thermal Conductivity [J/k.m.s]18.0@298k
    Specific Heat Capacity [J/g.K]0.339@298k
    Knoop Hardness [kg/mm2]110
    Bending Strength [Mpa]55
    Young's Modulus [GPa]67.2
    Poisson's Coefficient0.28
    Optical Properties
    Transmission Range0.5-22μm
    Refractive index inhomogeneity [△n/n]<3*10-6@632.8μm
    Absorption Coefficient [1/cm]

    5.0*10-3@1300nm

    7.0*10-4@2700nm

    4.0*10-4@3800nm

    4.0*10-4@5250nm

    5.0*10-4@10600nm

    Thermal light coefficient [1/k,298-358k]

    1.07*10-4@632.80nm

    7.0*10-5@1150nm

    6.2*10-5@3390nm

    6.1*10-5@10600μm


    Wavelength(nm)Refractive Index(n)Wavelength(nm)Refractive Index(n)
    6202.5994106002.4028
    10002.4892130002.385
    38002.4339146002.3705
    50002.4295166002.3487
    70002.4218178002.3333
    90002.4122182002.3278


    Incidence ModeDamage Threshold(J/cm2)
    Normal Incidence>20
    Brewster's Corner>15


    Zinc Selenide Transmittance Curve

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