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    Area of Science:

    • Optics and Photonics
    • Imaging Science

    Background:

    • Acousto-optic tunable filters (AOTFs) are crucial components in spectral imaging systems.
    • Previous research provided a foundation for optimizing AOTF performance parameters.

    Purpose of the Study:

    • To produce and test two optimized AOTFs for hyperspectral imaging applications.
    • To develop and validate a novel double-filtering method for long-range hyperspectral imaging.

    Main Methods:

    • Optimized AOTF performance parameters based on prior research.
    • Constructed a hyperspectral imaging system utilizing two AOTFs.
    • Conducted long-range target imaging experiments across the white light spectrum.
    • Applied and analyzed a novel double-filtering technique for hyperspectral imaging.

    Main Results:

    • The two produced AOTFs demonstrated tuning relationships consistent with theoretical principles.
    • The hyperspectral imaging system successfully captured images of a long-range target.
    • The double-filtering method was successfully implemented for the first time in hyperspectral imaging.

    Conclusions:

    • Optimized AOTFs can be effectively utilized in hyperspectral imaging systems.
    • The developed double-filtering method shows promise for enhancing long-range hyperspectral imaging.
    • The study validates a new approach for spectral imaging applications.