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A common-path polarization-based image-inversion interferometer.

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    This summary is machine-generated.

    This study introduces a novel interferometer that uses polarization to invert images. This common-path design enhances stability and enables spatial-parity analysis of optical beams.

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    Area of Science:

    • Optics and Photonics
    • Interferometry
    • Optical Metrology

    Background:

    • Conventional interferometers often suffer from stability issues due to path length differences.
    • Spatial-parity analysis requires precise control over optical beam properties, such as orbital angular momentum (OAM).
    • Image inversion is a fundamental optical transformation with applications in microscopy and metrology.

    Purpose of the Study:

    • To develop a stable, collinear interferometer capable of image inversion.
    • To utilize polarization properties of light for simultaneous positive and negative magnification.
    • To demonstrate the interferometer's capability as a spatial-parity analyzer for optical beams.

    Main Methods:

    • A collinear, common-path interferometer design was implemented.
    • Anisotropic lenses were employed, providing refractive power for specific light polarizations.
    • The interferometer utilized the distinct polarization channels of a single optical beam.
    • Unit magnification imaging systems, one positive and one negative (inverted), were created within the interferometer.

    Main Results:

    • The interferometer successfully achieved collinear, common-path image inversion.
    • Anisotropic lenses demonstrated polarization-selective refractive power.
    • The system functioned as a spatial-parity analyzer, experimentally separating even and odd OAM modes.
    • The common-path configuration significantly improved stability compared to traditional two-path interferometers.

    Conclusions:

    • The presented image-inversion interferometer offers a stable and compact solution for optical measurements.
    • The use of polarization channels and anisotropic lenses provides a novel approach to image manipulation.
    • This technology has potential applications in advanced optical metrology and beam analysis.