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    Wavelength Range (nm)

    Silicon Optics

    Silicon Optical Components are used in a variety of infrared applications operating in the 1.2 - 7μm wavelength range, including NIR imaging or IR spectroscopy. Silicon’s low density (2.329 g/cm3) is ideal for use in weight-sensitive applications. Silicon features a Knoop hardness of 1150, making Silicon Optical Components harder, less brittle alternatives to comparable Germanium Optical Components.

    Edmund Optics features a wide variety of Silicon Optical Components, including optical lenses, optical filters, or windows. Silicon optical lenses are ideal for collimation or focusing applications that utilize monochromatic light. These lenses are available in a range of sizes or focal lengths for a wide variety of application needs. Silicon lens kits are also available. Silicon optical filters, which are integrated into IR applications such as FTIR spectroscopy, are used to transmit or block a specific range of IR wavelengths. Silicon windows are available uncoated or with a 3 - 5μm antireflection coating.

    High Contrast IR Wire Grid Polarizers
    • AR Coated for Superior Transmission
    • High Heat Resistance with Low Thermal Expansion
    • Feature Wide Angle of Incidence Range without Performance Loss

    Infrared (IR) Longpass Filters
    • Coated on Silicon or Germanium Substrates
    • Ideal for Isolating Broad Spectral Regions
    • Durable, First-Surface Coatings

    Infrared (IR) Windows Kit
    • 7 Different 25mm Diameter IR Material Windows
    • Ideal for Laboratories
    • Fully Assembled in Foam Lined Wooden Boxes

    Silicon (Si) Windows
    • Transmission from 1.2 - 7μm
    • Available Uncoated or AR Coated for 3 - 5μm
    • Ideal for Weight Sensitive Applications

    Silicon Aspheric Lenses
    • Diffraction-Limited Performance
    • Low Density and Dispersion
    • Ideal for Weight Sensitive IR Applications

    Silicon Plano-Convex (PCX) Lenses
    • Wavelength Range of 1.2 - 7μm
    • Low Density and Dispersion
    • Focal Lengths of 25 – 250mm Available
    • Additional Infrared Lenses Available in Popular Substrates

    Silicon Substrate Gold Mirrors
    • Excellent Thermal Stability
    • Ideal for Weight Sensitive Applications
    • Increased Durability over Glass Substrate Mirrors

    Standard Silicon Plano-Convex (PCX) Lenses
    • Low Dispersion and Density
    • Transmission from 1.2 to 7μm


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