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    We developed a camera system to measure the 3D angular distribution function (ADF) of light. This fast, accurate method quantifies light scattering and emission from various samples.

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    Area of Science:

    • Optics and Photonics
    • Materials Science
    • Instrumentation

    Background:

    • Accurate measurement of light scattering and emission is crucial in optics and materials science.
    • Conventional methods like goniometric systems can be time-consuming and complex.
    • A need exists for faster, more accessible techniques to characterize light distribution.

    Purpose of the Study:

    • To present a novel camera-based system for measuring the 3D angular distribution function (ADF) of light.
    • To demonstrate the system's capability in quantifying light scattering and emission.
    • To validate the system's performance against established methods.

    Main Methods:

    • A digital camera system was developed to capture images of light interacting with a reflective flat screen.
    • Image processing techniques were employed to transform captured data into a 3D ADF.
    • The system setup, image transformations, and sensitivity were detailed.

    Main Results:

    • The camera-based system successfully quantified transmitted light scattering from nanotextured samples.
    • Emission from a calibrated light-emitting device was accurately measured.
    • Results showed good agreement with a conventional goniometric angular resolved scattering system.

    Conclusions:

    • The developed camera system provides a rapid and effective method for measuring 3D ADF.
    • This technique offers a valuable alternative for characterizing light scattering and emission properties.
    • The system has potential applications in materials characterization and optical device analysis.