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China Infrared Bandpass Filter INBP4260 for CO₂ Detection - Top Quality from Trusted Suppliers and Factory
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China Infrared Bandpass Filter INBP4260 for CO₂ Detection - Top Quality from Trusted Suppliers and Factory

In the realm of industrial safety, environmental monitoring, and smart home technology, precise gas leak detection is crucial for safeguarding both lives and property. The INBP4260 infrared narrowband filter has emerged as the gold standard for carbon dioxide (CO₂) detection, renowned for its remarkable spectral selectivity. Manufactured in China, this high-performance filter is a preferred choice among leading suppliers and factories focused on delivering reliable solutions for gas detection applications. Enhance your safety measures with the INBP4260 and invest in superior technology that prioritizes accuracy and reliability
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    Product Details

    Specifications
    🔬 Custom-engineered for CO₂ detection, the INBP4260 filter features a 4260nm center wavelength, precisely aligning with CO₂ molecular absorption peaks to eliminate environmental light interference effectively and enable ppm-level concentration detection. With a full width at half maximum (FWHM) < 90nm, ≥80% peak transmittance, and UV–11μm full-band blocking depth (T < 0.1%), it ensures strong signals and low noise — making it ideal for flame detectors, industrial process control, and indoor air quality monitoring.
    Parameter Value / Specification
    Center Wavelength (CWL) 4260 nm
    Full Width at Half Maximum (FWHM) < 90 nm
    Peak Transmittance ≥ 80%
    Blocking Range UV – 11μm (T < 0.1%)
    Detection Level ppm-level CO₂ concentration
    Typical Applications Flame detectors, Industrial process control, Indoor air quality monitoring
    🏭 Beijing Bodian Optical Technology Co., Ltd 40 Years of Expertise

    With over 40 years of experience in optical thin-film technology, Bodian — a national high-tech enterprise — operates cutting-edge vacuum deposition equipment and a full-spectrum testing system. For the INBP4260 filter, we offer full customization to meet your exact requirements.

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    Material Customization

    Supports substrates like monocrystalline silicon and sapphire, with flexible dimensions and thickness options to meet diverse sensor packaging needs.

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    Tailored Specifications

    Circular, square, or custom-shaped designs available for bulk production, with lead times as short as 10 days.

    💬 Frequently Asked Questions
    Q What is the center wavelength of the INBP4260 bandpass filter?
    The INBP4260 filter has a center wavelength (CWL) of 4260nm, which precisely aligns with the molecular absorption peak of CO₂, making it highly effective for CO₂ gas detection applications.
    Q What level of CO₂ concentration can the INBP4260 filter detect?
    Thanks to its high peak transmittance (≥80%) and narrow FWHM (<90nm), the INBP4260 filter supports ppm-level CO₂ concentration detection, providing strong signal output with minimal noise interference.
    Q What substrate materials are available for customization?
    Bodian supports a range of substrate materials including monocrystalline silicon and sapphire. Custom dimensions and thickness options are available to accommodate different sensor packaging requirements.
    Q What shapes and sizes can be customized for the INBP4260 filter?
    The filter can be produced in circular, square, or fully custom shapes to suit your specific application or sensor housing design. Bulk production is supported with flexible specifications.
    Q What is the minimum lead time for bulk orders?
    For bulk production orders of the INBP4260 filter, Bodian offers lead times as short as 10 days, ensuring timely delivery for your production schedule.
    Q What are the typical applications of the INBP4260 CO₂ bandpass filter?
    The INBP4260 filter is widely used in flame detectors, industrial process control systems, and indoor air quality (IAQ) monitoring devices. Its high blocking depth (T < 0.1% across UV–11μm) ensures reliable performance even in complex lighting environments.