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China Multi-Channel Interference Filters - Suppliers and Factory for Custom Optical Solutions
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BIIC-Tech is a leading measurement company in China now,
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China Multi-Channel Interference Filters - Suppliers and Factory for Custom Optical Solutions

China Multi-Channel Interference Filters - Suppliers and Factory for Custom Optical Solutions

China-based Beijing Jingyi Bodian Optical Technology Co., Ltd. is a leading supplier and factory specializing in multi-channel optical filters, integral to modern applications such as optical communication, imaging, and remote sensing hyperspectral technologies. With over 30 years of expertise in thin film technology, we pride ourselves on our strong technical team and state-of-the-art automatic optical coating equipment. Our advanced ion-assisted process, combined with the photoresist mask method, enables us to produce micron-scale multi-channel integrated filters that meet the demands of today’s high-tech industries, Our products are known for their compact size, high integration, and capacity to handle large volumes of information, making them ideal for information communication and satellite imaging. We offer customizable multi-channel optical filters tailored to specific size, spectral requirements, and wavelength ranges as requested by our clients. Our commitment to quality, timely delivery, and competitive pricing sets us apart as a preferred supplier in the optical technology market. Choose us for reliable and innovative optical solutions
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    Product Details

    Product Overview

    The multi-channel spectral filter has a cutting-edge spectroscopic function, which can sharply optimize the structure of imaging spectrometer spectroscopic systems and apply it as a spectroscopic element in the imaging spectrometer. The miniaturization and weight reduction of the imaging spectrometer can be realized. Therefore, multi-channel filters play a significant role in miniaturized and lightweight imaging spectrometers.

    🔬 Multi-channel filters differ from traditional filters in that their channel size is in the order of microns (5–30 microns), enabling precise spectral channel regulation.

    Generally, multiple or combined exposures and thin-film etching methods are used to prepare cavities of different thicknesses. The cavity layer is used to realize the regulation of the spectral channel peak position of the filter. When using this method to prepare multi-channel filters, the number of spectral channels strongly depends on the number of overlay processes.

    ⚡
    Cutting-Edge Spectroscopy
    Advanced spectroscopic functions that optimize imaging spectrometer structures.
    📐
    Micron-Scale Channels
    Channel sizes in the 5–30 micron range for ultra-precise spectral filtering.
    🏋️
    Miniaturization & Lightweight
    Enables significant size and weight reduction in imaging spectrometer systems.
    Application Areas
    📡 Optical Communication — Multi-channel filters provide precise wavelength selection for high-speed optical data transmission systems.
    🛰️ Satellite Imaging — Lightweight and compact design makes them ideal for integration into satellite-borne imaging instruments.
    🌍 Remote Sensing Hyperspectral — Enables detailed spectral data acquisition across wide geographic areas for environmental and agricultural monitoring.
    Multi-channel filter application areas
    Production Process
    Multi-channel filter production process
    Frequently Asked Questions
    Q
    What is a multi-channel spectral filter?
    A multi-channel spectral filter is an advanced optical component with spectroscopic capabilities designed to optimize imaging spectrometer systems. Unlike traditional filters, it operates at micron-scale channel sizes (5–30 microns) and uses thin-film etching and cavity layer technology to regulate spectral channel peak positions.
    Q
    How does a multi-channel filter differ from a traditional filter?
    The key difference lies in the channel size. Traditional filters typically operate at much larger scales, while multi-channel filters feature channel sizes in the micron range (5–30 microns). They also use advanced fabrication methods such as multiple/combined exposures and thin-film etching to achieve precise spectral regulation.
    Q
    What are the main application areas of multi-channel filters?
    Multi-channel filters have important applications in optical communication, satellite imaging, and remote sensing hyperspectral systems. Their compact size and high spectral precision make them especially valuable in miniaturized and lightweight spectrometer platforms.
    Q
    How is the spectral channel peak position regulated in multi-channel filters?
    The spectral channel peak position is regulated through the cavity layer within the filter structure. By preparing cavity layers of different thicknesses using thin-film etching methods, manufacturers can precisely control where each spectral channel peaks, allowing for highly customized spectral performance.
    Q
    What determines the number of spectral channels in a multi-channel filter?
    The number of spectral channels is strongly dependent on the number of overlay processes used during manufacturing. Each additional overlay process enables the creation of additional spectral channels, allowing for greater spectral resolution and flexibility in the final product.
    Q
    Why are multi-channel filters important for miniaturized imaging spectrometers?
    Multi-channel filters serve as the spectroscopic element within the imaging spectrometer, replacing bulkier traditional components. Their micron-scale design allows for significant reductions in the overall size and weight of the spectrometer system, making them essential for portable, airborne, and satellite-based spectral imaging applications.