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Sensor Si Lens / Silicon infrared Lenses Laser Sanning 3μm - 12μm

Categories Silicon Lenses
Brand Name: GIAI
Model Number: GA-SL4
Certification: ROHS/SGS
Place of Origin: China(mainland)
MOQ: 30
Price: Negotiation
Payment Terms: T/T
Supply Ability: 1000 pcs per week
Delivery Time: 15 working days after received your payment
Packaging Details: standard packaging,Vacuum packaging
Diameter: 50 mm
Thickness Toleracne: ± 0.1mm
Design Wavelength DWL (nm): 3-5μm
Surface Quality: 80-50
Product Name: Thermal Infrared Lens
Type: Achromatic Lens
Company Info.
Giai Photonics Co.,Ltd
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    Sensor Si Lens / Silicon infrared Lenses Laser Sanning 3μm - 12μm

    Sensor Si Lens / Silicon infrared Lenses Laser Sanning 3μm - 12μm


    Thermal Infrared Lens are used in a variety of infrared applications operating in the 3- 12μm 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 silicon 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.


    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



    Housing Length (mm)



    Achromatic Lens

    Length Tolerance (mm)

    ± 0.10

    Wavelength Range (um)

    3 - 5



    More about us
    Giai photonics Co.,Ltd is a leading supplier of optics and precision optical components ,specialized in a wide array of optical filters, multi-element lenses, lens coatings. We do this with skilled technicians, expert engineers, and modern optical fabrication equipment, the latest metrology. Our objective is to offer the finest quality precision components, optics and systems available to meet the service requirements and to exceed the expectations of our customers.


    Why choose us?
    1. We have rich production experience to manufacture color optical glass

    2. We have the competitive price and quick delivery.

    3. The stable quality and good reputation

    4. We have more than 100 kinds of optical glass. We can meet different
    customer`s demand.

    5. Reply you within 24 working hours.

    6. Customized design is avaliable.

    7. OEM is welcome.

    8. Speed and precious delivery.

    9. Supply several pieces free samples, but buyers bear the delivery charge.

    Please feel free to contact us if you got any questions ,we will reply you as soon as possible
    looking forward to establish relationships with you.

    Product Tags:

    silicon lens


    Si lenses

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