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Infrared Broadband Filter IWBP8075-9400 - High-Quality Suppliers and Factory in China
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Infrared Broadband Filter IWBP8075-9400 - High-Quality Suppliers and Factory in China

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Introducing our high-performance infrared broadband filter, a state-of-the-art optical device designed to selectively allow infrared light to pass through while blocking unwanted wavelengths. Made in China, our filters excel in transmitting infrared light across a range of 0.9 micrometers to 12 micrometers. The innovative multilayer thin film structure embedded within the filter is engineered with precision to achieve outstanding transmission efficiency. Each layer is carefully crafted with unique refractive indices and specific thicknesses, ensuring optimal performance. As light traverses these layers, various wavelengths experience different levels of reflection, absorption, and transmission, effectively filtering the desired infrared light. Our factory leverages advanced technology and expertise to produce infrared broadband filters that meet the highest standards, making us one of the leading suppliers in the industry.

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    Product Details

    Product Technical Parameters

    🔮 Substrate: Ge  |  HT Area: 8075–9400 nm  |  Tp: ≥90%  |  Blocking: 200–16000 nm
    BP 8075-9400nm

    ❓ Frequently Asked Questions

    Q1What substrate material is used in this bandpass filter? +
    This bandpass filter uses Germanium (Ge) as the substrate material. Germanium is widely chosen for infrared optical applications due to its excellent transmission properties in the mid- and long-wave infrared spectral regions, high refractive index, and good mechanical durability.
    Q2What is the high-transmission (HT) wavelength range of this filter? +
    The high-transmission (HT) area of this filter covers 8075 nm to 9400 nm. Within this spectral window, the filter achieves an average transmittance of ≥90%, making it ideal for precise infrared detection and spectroscopy applications.
    Q3What does the Tp ≥90% specification mean? +
    Tp ≥90% refers to the peak transmittance within the defined high-transmission band (8075–9400 nm). It guarantees that at least 90% of the incident light within this range passes through the filter, ensuring high signal fidelity and sensitivity in your optical system.
    Q4What is the blocking range of this bandpass filter? +
    This filter provides effective blocking across a broad range from 200 nm to 16000 nm, excluding the defined HT passband. This wide blocking range ensures that unwanted wavelengths — including UV, visible, near-infrared, and far-infrared — are efficiently suppressed, reducing noise and improving measurement accuracy.
    Q5What are the typical applications for the BP 8075–9400 nm filter? +
    This bandpass filter is commonly used in applications such as thermal imaging, gas detection and analysis, environmental monitoring, medical diagnostics, and military infrared systems. Its precise passband aligns well with many molecular absorption features in the long-wave infrared (LWIR) region.
    Q6Can this filter be customized for different wavelength ranges or sizes? +
    Yes, custom specifications are available. We can tailor the center wavelength, bandwidth, substrate diameter, coating design, and blocking range to meet your specific system requirements. Please contact our technical team with your application details for a customized solution and quotation.