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Related Concept Videos

Interference and Diffraction02:18

Interference and Diffraction

Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.
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Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
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Optical wave phase fluctuations.

V P Lukin, V V Pokasov

    Applied Optics
    |March 24, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Low-frequency atmospheric refractive index fluctuations impact optical beam phase. This study verifies theoretical models with experimental data to determine atmospheric turbulence characteristics.

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    Published on: January 28, 2019

    Area of Science:

    • Atmospheric optics
    • Wave propagation physics

    Background:

    • Atmospheric turbulence causes fluctuations in the refractive index.
    • These fluctuations affect the phase of propagating optical waves, especially in space-limited beams.

    Purpose of the Study:

    • To investigate the impact of low-frequency atmospheric refractive index fluctuations on the phase fluctuations of space-limited optical beams.
    • To validate theoretical models using experimental data.
    • To determine atmospheric turbulence characteristics via an inverse problem approach.

    Main Methods:

    • Theoretical calculations using the smooth perturbation method.
    • Experimental measurements of statistical characteristics of optical wave phase fluctuations.
    • Verification of theoretical conclusions against experimental data.

    Main Results:

    • Demonstrated the effect of low-frequency atmospheric refractive index fluctuations on optical beam phase.
    • Provided experimental data supporting the theoretical framework.
    • Successfully applied an inverse problem to characterize atmospheric turbulence.

    Conclusions:

    • The smooth perturbation method provides a valid approximation for analyzing these effects.
    • Experimental data confirms the theoretical predictions.
    • The study successfully established a method for determining atmospheric turbulence characteristics from optical wave phase data.