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    Area of Science:

    • Optics and Photonics
    • Optical Metrology

    Background:

    • Traditional polarizing beamsplitter (PBS) characterization requires specific polarized light sources.
    • Existing methods often involve complex alignment procedures and time-varying experimental parameters.
    • Challenges include polarization rotations and drift, impacting measurement accuracy.

    Purpose of the Study:

    • To introduce a novel, simplified method for measuring PBS parameters.
    • To overcome the limitations of traditional measurement techniques.
    • To achieve accurate extinction ratio and insertion loss determination.

    Main Methods:

    • Utilizes unpolarized light as the input source.
    • Employs a Faraday mirror to simplify the optical setup.
    • Performs measurements using three single-sweep procedures.

    Main Results:

    • Precise extinction ratio values were achieved.
    • Accurate insertion loss values were determined.
    • The method eliminates the need for alignment and time-varying signals.

    Conclusions:

    • The novel method offers a robust and simplified approach to PBS characterization.
    • It provides accurate measurements of key optical parameters.
    • This technique is advantageous for its simplicity and efficiency.