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    A new system uses a single deformable mirror to capture clear, in-focus images of moving, non-planar surfaces. This innovation speeds up inspections in automation and microfabrication by eliminating motion blur and improving accuracy.

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    Area of Science:

    • Optics and optical devices
    • Metrology and measurement
    • Automation and microfabrication

    Background:

    • Rapid advancements in automation and microfabrication necessitate faster, more precise inspection methods.
    • Existing systems for motion-blur-free imaging track only the line of sight, limiting measurements to planar surfaces.
    • Previous multi-device setups for line-of-sight and focus control are bulky and complex.

    Purpose of the Study:

    • To develop an advanced imaging system capable of measuring non-planar surfaces on moving objects.
    • To simplify the hardware requirements by utilizing a single deformable mirror for simultaneous line-of-sight and focus control.
    • To enhance inspection speed and accuracy in automated manufacturing processes.

    Main Methods:

    • A novel system employing a single deformable mirror to simultaneously control line of sight and focus.
    • Testing the system on curved and uneven surfaces moving at 20 mm/s at a distance of 140 mm.
    • Comparative analysis of captured images against existing measurement techniques.

    Main Results:

    • Successfully acquired motion-blur-free, all-in-focus images of moving, non-planar surfaces.
    • Demonstrated the system's capability to measure complex geometries previously challenging for optical inspection.
    • Validated the effectiveness and superiority of the proposed single-mirror system over existing methods.

    Conclusions:

    • The proposed deformable mirror system enables accurate, high-speed imaging of non-planar moving surfaces.
    • The system's compact design, using only one mirror, offers significant advantages for downsizing and broader application in measurement systems.
    • This technology represents a significant advancement for quality control in industries reliant on precise automated inspection.