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    A new underwater hyperspectral imaging system uses a moving objective lens for scanning, overcoming the bulkiness of traditional systems. This compact design enhances underwater detection capabilities and offers a feasible technical solution.

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    Area of Science:

    • Optical Engineering
    • Oceanography
    • Imaging Technology

    Background:

    • Hyperspectral imaging is valuable for underwater detection but traditional systems are bulky.
    • External scanning mechanisms limit platform adaptability and increase system volume.

    Purpose of the Study:

    • To design a compact underwater hyperspectral imaging system.
    • To overcome limitations of existing bulky systems by integrating scanning functionality internally.

    Main Methods:

    • Designed a novel optical system for underwater hyperspectral imaging.
    • Developed an internal scanning and focusing structure by moving the objective lens.
    • Assembled and tested the prototype system.

    Main Results:

    • The system achieved scanning imaging through objective lens movement.
    • The assembled system demonstrated good imaging quality.
    • Distinct spectral signatures were obtained for various underwater targets.
    • The system exhibited effective underwater detection capabilities.

    Conclusions:

    • The developed system provides a compact and feasible solution for underwater hyperspectral detection.
    • Internal scanning mechanism overcomes limitations of external scanners.
    • The system shows promise for diverse underwater applications.