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Pixel-level (stepped) hyperspectral filter

The pixel-level stepped filter has spectral channels whose physical dimensions in the column direction are integer multiples of the detector pixel size, while in the row direction they match the dimensions of the detector’s imaging surface, ensuring that the spectral responses of pixels in the same row remain perfectly consistent after integration. In actual fabrication, the spectral range, number of channels, and arrangement pattern can be customized according to customer requirements. The spectral range can cover both the visible and infrared regions, and the number of channels can be selected as 16, 32, or 64. As for the arrangement pattern, options include placing one channel per row centered on the target surface, arranging multiple channels periodically across the entire target surface, or adopting a multi-row configuration with a single channel covering the entire target surface.

Consultation phone:

  • Product Description
  • Parameter Introduction
  • Precautions
  • Product Performance

    Performance parameters
    Operating wavelength Visible and infrared bands
    Single-channel dimension 10–100 μm
    Number of spectral channels >100
    Passband half-width at half-maximum 5-20nm
    Peak transmittance 50-90%
    Out-of-band cutoff frequency <0.5%

    Spectral curve

     

    Application areas

    1. Camouflage Recognition
    2. Precision agriculture
    3. Medical Monitoring
    4. Geological Exploration

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