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  • Kingwin Optics CaF2 Plano-Convex LensesKingwin Optics CaF2 Plano-Convex Lenses

    CaF2 Plano-Convex Lenses

    Wide Transmission Range:

    Ultraviolet to Infrared: CaF2 lenses offer a very wide transmission range, typically from 150 nm in the ultraviolet (UV) to 8 µm in the infrared (IR), making them suitable for a broad spectrum of optical systems.

    High Optical Performance:

    Low Fluorescence: CaF2 exhibits minimal fluorescence, which is crucial for applications requiring high sensitivity and low background noise, such as UV spectroscopy and imaging.

    Excellent UV Transmittance: The material’s excellent ultraviolet transmittance makes it ideal for UV applications, including UV lithography, laser optics, and UV spectroscopy.

    High Laser Durability:

    High Damage Threshold: CaF2 has a high laser damage threshold, allowing it to withstand intense laser radiation without significant degradation, making it suitable for use in excimer laser optics and other high-power laser systems.

    Chemical Inertness and Hardness:

    Chemical Stability: CaF2 is chemically inert, making it resistant to corrosion and degradation from various chemicals and environments.

    High Hardness: Compared to similar materials like barium fluoride and magnesium fluoride, CaF2 has superior hardness, which contributes to its durability and scratch resistance.

    Customizable and Versatile:

    Multiple Coatings: CaF2 plano-convex lenses can be coated with anti-reflection (AR) coatings optimized for specific wavelength ranges, enhancing their transmission performance and suitability for various applications.

    Custom Sizes and Specifications: Lenses are available in various diameters, focal lengths, and center thicknesses, allowing for customization to meet specific optical system requirements.

    Wide Range of Applications

    Imaging and Beam Collimation: Due to their positive focal length, CaF2 plano-convex lenses are well-suited for imaging and beam collimation applications, such as telescopes, collimators, and condenser systems.

    Scientific Research and Industrial Applications: Their wide transmission range and high optical performance make them valuable for use in spectroscopic instruments, laser systems, and other optical devices employed in scientific research, industrial manufacturing, and medical diagnosis.

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  • Kingwin Optics λ4-λ UV Fused Silica Plano-convex LensesKingwin Optics λ4-λ UV Fused Silica Plano-convex Lenses

    λ4-λ UV Fused Silica Plano-convex Lenses

    Exceptional Optical Transmission and Broad Wavelength Range:

    • High Transmission: UV fused silica exhibits high transmission across a broad wavelength range, including the deep UV region below 400 nm (λ4-λ). This ensures maximum light throughput and minimal loss in optical systems.
    • Broadband Capability: Suitable for wavelengths from the deep UV to the near-infrared (NIR), making them versatile for a variety of applications requiring high-quality optics.

    Superior Physical and Optical Properties:

    • Low Thermal Expansion Coefficient: Compared to other materials like N-BK7, UV fused silica has a lower coefficient of thermal expansion, which helps maintain the stability of optical systems under temperature variations.
    • Excellent Homogeneity: UV fused silica boasts better optical homogeneity, minimizing optical errors caused by material inhomogeneities.
    • Virtually No Laser-Induced Fluorescence: In the UV region, it exhibits virtually no laser-induced fluorescence, which is crucial for applications requiring high signal-to-noise ratios.

    Precision Manufacturing and Coating Technology:

    • Tight Tolerance Control: These lenses are precisely polished to meet stringent tolerance requirements, including surface flatness, surface quality, and focal length tolerance, minimizing wavefront distortions.
    • High-Quality Anti-Reflection Coatings: Available with anti-reflection (AR) coatings tailored to specific wavelength ranges, reducing reflectance and enhancing transmission.

    Durability and Reliability:

    • High Laser Damage Threshold: Capable of withstanding high-energy laser pulses, making them suitable for demanding laser applications.
    • Long-Term Stability: Their excellent physical and optical properties ensure stable performance over extended periods of use.

    Applications: Detectors, Imaging Instruments, Lasers, Fiber Lasers, etc.

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