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Folded interferometer to measure coherence-polarization matrix.

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    A new technique quantifies the birefringence coherence-polarization (BCP) matrix using only two Stokes fluctuations. This method simplifies BCP matrix measurement for polarized light beams.

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    Area of Science:

    • Optics and Photonics
    • Polarization Optics
    • Optical Metrology

    Background:

    • Characterizing light polarization is crucial in optics.
    • The birefringence coherence-polarization (BCP) matrix provides comprehensive polarization information.
    • Existing methods for BCP matrix measurement can be complex.

    Purpose of the Study:

    • To introduce a novel and simplified technique for quantitative BCP matrix measurement.
    • To develop a theoretical framework for the new measurement method.
    • To experimentally validate the proposed technique.

    Main Methods:

    • Utilizing correlations of only two Stokes fluctuations.
    • Developing a theoretical framework for the BCP matrix measurement.
    • Conducting proof-of-principle experiments to demonstrate viability.

    Main Results:

    • Successfully demonstrated a new technique for quantitative BCP matrix measurement.
    • Experimental validation of the theoretical framework.
    • Measurement of BCP matrix elements for statistically stationary beams.

    Conclusions:

    • The presented technique offers a simplified approach to BCP matrix measurement.
    • The method is experimentally validated and applicable to stationary polarized beams.
    • This advancement facilitates more accessible polarization analysis in optical systems.