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Related Experiment Video

Updated: Nov 30, 2025

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
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Close relationship between Bessel-Gaussian and conical refraction beams.

V Yu Mylnikov, E U Rafailov, G S Sokolovskii

    Optics Express
    |November 13, 2020
    PubMed
    Summary
    This summary is machine-generated.

    We show that generalized Bessel-Gaussian beams accurately model conical refraction for Laguerre-Gaussian beams. This new model explains multi-ring patterns and predicts phenomena like Raman spot shift.

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    Area of Science:

    • * Physics
    • * Optics
    • * Quantum Optics

    Background:

    • * Conical refraction is a phenomenon observed in certain anisotropic optical media.
    • * Elegant Laguerre-Gaussian beams are a specific type of light beam with unique properties.

    Purpose of the Study:

    • * To demonstrate that generalized Bessel-Gaussian light beams can effectively describe the conical refraction of elegant Laguerre-Gaussian beams.
    • * To provide a new model for understanding conical refraction phenomena.
    • * To explain the transition from double-ring to multi-ring patterns and predict new optical effects.

    Main Methods:

    • * Numerical simulations were performed to compare the exact solution with the proposed Bessel-Gaussian approximation model.
    • * The generalized Bessel-Gaussian model was developed to analyze the conical refraction of Laguerre-Gaussian beams.

    Main Results:

    • * Good agreement was found between the exact solution and the Bessel-Gaussian approximation model.
    • * The model successfully explains the transformation of conical refraction patterns into multi-ring structures.
    • * New phenomena, including Raman spot shift and orbital angular momentum dependence of ring radius, were predicted.

    Conclusions:

    • * Generalized Bessel-Gaussian beams offer a powerful and physically intuitive model for conical refraction.
    • * This model enhances the understanding of light propagation in anisotropic media.
    • * The findings open avenues for predicting and exploring novel optical phenomena.