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    Area of Science:

    • Optics and Photonics
    • Image Processing
    • Remote Sensing

    Background:

    • Non-local spatial filtering is crucial for advanced imaging techniques.
    • Spatially incoherent light sources present unique challenges in image manipulation.
    • The Abbe-Porter imaging system offers a framework for correlated beam experiments.

    Purpose of the Study:

    • To perform a non-local spatial filtered imaging experiment using spatially incoherent thermal light.
    • To investigate the use of an orientation filter within an Abbe-Porter imaging system.
    • To explore the potential applications of distributive image manipulation with incoherent light.

    Main Methods:

    • Utilized an Abbe-Porter imaging system with a beam splitter to generate test and reference beams from thermal light.
    • Implemented an orientation filter, specifically a slit aperture, in the back focal plane of the reference beam's imaging lens.
    • Performed optical field intensity correlation measurements between the two beams to obtain modulated object images.

    Main Results:

    • Successfully demonstrated non-local spatial filtering with spatially incoherent thermal light.
    • Experimental results showed good agreement with theoretical predictions.
    • Achieved distributive manipulation of an object's image using the developed technique.

    Conclusions:

    • The developed non-local spatial filtering method is effective for incoherent light sources.
    • This technique offers significant potential for remote imaging applications.
    • Potential applications include geological surveys and spectral analysis requiring distributive image manipulation.