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    AI Overview
    Calcium Fluoride Optics | Calcium Fluoride Windows and Lenses
    Calcium Fluoride (
    CaF2cap C a cap F sub 2
    𝐶𝑎𝐹2
    ) windows are high-performance optical components offering excellent transmission from Vacuum UV (200nm) to Mid-IR (
    7
    𝜇𝑚
    ), ideal for spectroscopy and laser applications. Factories supply these in UV, IR, and Raman grades. Key manufacturers and suppliers include Stanford Advanced Materials, Firebird Optics, Edmund Optics, Thorlabs, and Uni-Optics. 
    Key Features & Applications 
    • Transmission Range: High transmittance (
      >90
      %
      ) across a broad range, from
      200
      nm
       to
      7
      𝜇
      m
      , suitable for UV-to-IR applications.       
    • Laser Damage Threshold: Low absorption and high bulk damage threshold, making them ideal for excimer lasers. 
    • Material Properties:
      CaF2cap C a cap F sub 2
      𝐶𝑎𝐹2
       is a cubic single crystal, resistant to thermal shock, but relatively soft, requiring careful handling to prevent scratches.       
    • Applications: Used in Fourier Transform Infrared (FTIR) spectroscopy, cryogenically cooled thermal imaging, and as protective windows in gas detectors. 
    CaF2 Window Factory Supplying & Customization
    Factories offer customized
    CaF2cap C a cap F sub 2
    𝐶𝑎𝐹2
     windows, including: 
    • Dimensions & Shapes: Circular, square, and custom shapes, including wedged windows.
    • Coatings: Uncoated or with broadband antireflective (BBAR) coatings.
    • Grades: UV grade (high vacuum UV performance) and IR grade/standard grade available. 
    Manufacturers like Stanford Advanced Materials and Firebird Optics provide, and many others, supply standard and custom components. 
    Common Specifications 
    • Refractive Index: Low (
       
      1.43
       at
      3
      𝜇𝑚
      ).
    • Surface Quality: Typical specifications include
      40
      −20
       or
      60
      −40
       scratch-dig.
    • Handling: Must be stored in low-humidity environments due to sensitivity to humidity and thermal shock. 
    For sourcing, major vendors offer standard sizes (e.g., 25.4mm diameter) for immediate delivery, while custom specifications are handled through specialized optics manufacturers. 
    • UNI Opticshttps://www.uni-optics.com
      IR Windows Calcium Fluoride CaF2 Windows - UNI Optics
      * 25mm Diameter Uncoated, Calcium Fluoride Window. * Coated CaF2 Windows. * Calcium fluoride (CaF2) square window. * Calcium fluor...
    • Firebird Opticshttps://www.firebirdoptics.com
      CaF2 Windows — Firebird Optics
      One of the key applications of Calcium Fluoride is in the manufacture of optical windows. These windows are transparent to ultravi...
    • Knight Opticalhttps://www.knightoptical.com
      Calcium Fluoride Windows and Lenses - Knight Optical
      Knight Optical supplies high quality calcium fluoride components, including lenses and windows, made to your custom specification.
    Show all
    Show more

    Web results

    Custom Calcium Fluoride Windows And CaF2 ...


    UNI Optics
    https://www.uni-optics.com › calcium-fluoride-windows-...
    UNI Optics
    https://www.uni-optics.com › calcium-fluoride-windows-...
    UNI Optics Co.,Ltd specializes in Calcium Fluoride windows and CaF2 window Factory Supplying design and assembly for many years. We have strong capability ...

    Calcium Fluoride (CaF₂) Windows


    Knight Optical
    https://www.knightoptical.com › stock › caf2-windows
    Knight Optical
    https://www.knightoptical.com › stock › caf2-windows
    Knight Optical supply a range of quality Calcium Fluoride optical components including CaF₂ windows, CaF₂ lenses, CaF₂ prisms, and CaF₂ ...
    Missing: Factory ‎| Show results with: Factory

    Calcium Fluoride (CaF 2 ) Windows


    Edmund Optics
    https://www.edmundoptics.com › calcium-fluoride-cafs...
    Edmund Optics
    https://www.edmundoptics.com › calcium-fluoride-cafs...
    TECHSPEC Calcium Fluoride (CaF2) Windows are ideal for use as protective windows in applications in the 200nm - 7000nm range. ✓ Shop now with Edmund Optics!
    Missing: Factory ‎| Show results with: Factory

    Calcium Fluoride Wedged Windows


    Thorlabs
    https://www.thorlabs.com › calcium-fluoride-wedged-wi...
    Thorlabs
    https://www.thorlabs.com › calcium-fluoride-wedged-wi...
    We also supply planar windows with a variety of substrate materials and coating options. Calcium Fluoride (CaF2) Wedged Windows, Uncoated. Calcium Fluoride ...Read more
    4-day delivery · 30-day returns
    Missing: Factory ‎| Show results with: Factory

    Calcium Fluoride(CaF2) Windows Supplier - SAM


    Stanford Advanced Materials
    https://www.samaterials.com › windows › 521-caf2-wind...
    Stanford Advanced Materials
    https://www.samaterials.com › windows › 521-caf2-wind...
    Oct 17, 2025 — Stanford Advanced Materials (SAM) has over 2 decades of experience supplying Calcium Fluoride (CaF2) Windows of high quality at competitive ...
    Starting from $100.00 · In stock · 4.9(166)
    Missing: Factory ‎Supplying

    Calcium Fluoride (CaF2) Windows


    EKSMA Optics
    https://eksmaoptics.com › uv-and-ir-optics › calcium-flu...
    EKSMA Optics
    https://eksmaoptics.com › uv-and-ir-optics › calcium-flu...
    Calcium Fluoride (CaF2) windows for IR and UV applications. Other calcium fluoride (CaF2) components include CaF2 lenses, mirrors, prisms and beamsplitters.
    Missing: Factory ‎| Show results with: Factory

    CaF2 Windows — Firebird Optics


    Firebird Optics
    https://www.firebirdoptics.com › optical-windows › caf2...
    Firebird Optics
    https://www.firebirdoptics.com › optical-windows › caf2...
    These windows are transparent to ultraviolet, visible, and near-infrared light, making them ideal for use in a variety of optical systems.Read more
    $92.00 · In stock · $15 delivery
    Missing: Factory ‎Supplying

    ISP Optics Calcium Fluoride (CaF 2 ) Windows


    Edmund Optics
    https://www.edmundoptics.com › isp-optics-calcium-flu...
    Edmund Optics
    https://www.edmundoptics.com › isp-optics-calcium-flu...
    These windows are fabricated with IR Grade Calcium Fluoride, featuring low absorption and a high damage threshold in the infrared spectrum.Read more
    30-day returns
    Missing: Factory ‎Supplying

    Optical Windows, IR Windows, UV Windows


    COE Optics
    https://www.coeoptics.com › category › windows
    COE Optics
    https://www.coeoptics.com › category › windows
    COE Optics is a manufacturing supplier of Optical Windows, IR Windows, UV Window & Other Optical Components to the industries in the world.

    MSE PRO Uncoated Calcium Fluoride (CaF2) Flat ...


    MSE Supplies
    https://www.msesupplies.com › products › mse-pro-unco...
    MSE Supplies
    https://www.msesupplies.com › products › mse-pro-unco...
    Calcium fluoride (CaF 2 ) window is an optical window typically employed as a protective shield for electronic sensors or detectors in external environments.Read more
    $57.95 · In stock · 5-day delivery · 30-day returns
    Missing: Factory ‎| Show results with: Factory
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