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Silicon IR Cameras Si lenses Collimator Lenses / Achromatic Lens

Categories Silicon Lenses
Brand Name: GIAI
Model Number: GA-GW
Certification: ROHS/SGS
Place of Origin: China
MOQ: 200pcs
Price: negotiation
Payment Terms: T/T
Supply Ability: 5000pcs per month
Delivery Time: 15 working days after received your payment
Packaging Details: vacuum packaging
Product Name: Germanium Windows
Material: Silicon / Germanium
Surface Quality: 60-40
Dimension Tolerance: +0.0 / -0.20
Design Wavelength DWL (nm): 3-5μm
Center Thickness Tolerance(mm): 0.1
Company Info.
Giai Photonics Co.,Ltd
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    Silicon IR Cameras Si lenses Collimator Lenses / Achromatic Lens

    Silicon IR Cameras Si lenses Collimator Lenses / Achromatic Lens

    Germanium Windows


    Numerical Aperture NA


    Diameter (mm)


    Diameter Tolerance (mm)


    Effective Focal Length EFL (mm)


    Focal Length Tolerance (%)

    ± 1.5

    Alignment Wavelength (nm)


    Clear Aperture CA (mm)


    Back Focal Length BFL (mm)


    Back Focal Length BFL from Housing (mm)


    Spot Size (um)

    <Diffraction Limit

    Chromatic Correction Wavelength (um)

    3 - 5

    Coating Specification

    Ravg<3.0% @ 3 - 5um

    Chromatic Focal Shift (um)


    Design Wavelength DWL (um)



    3 - 5um


    Silicon / Germanium

    Housing Length (mm)



    Achromatic Lens

    Length Tolerance (mm)

    ± 0.10

    Wavelength Range (um)

    3 - 5




    Germanium Windows 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.

    GIAI 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.

    Infrared (IR) Achromatic Lenses are ideal components for designers and researchers working in the 3-5um spectral region. Designed to provide near diffraction-limited performance over their full spectral range, our lenses are ideal for applications in FTIR Spectroscopy, Thermal Imaging, and for use with tunable QCL Lasers. The lenses provide significantly improved performance versus comparable singlets, allowing designers in industrial, medical, scientific, and military applications to use the full dynamic range and quantum efficiency of their mid-wave sensors.

    Competitive Advantage:

    Germanium Windows ,competitive price , good quality, delivery on time, providing perfect after-sales service, to provide customers with professional customized products of parameter. We will supply you with best solution.

    Product Tags:

    silicon lens


    infrared lenses

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