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Related Concept Videos

Plane Electromagnetic Waves I01:30

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The existence of combined electric and magnetic fields that propagate through space as electromagnetic (EM) waves is the most significant prediction of Maxwell's equations. As Maxwell's equations hold in free space, the predicted electromagnetic waves do not require a medium for their propagation. An EM wave comprises an electric field, defined as the force per charge on a stationary charge, and a magnetic field, which is the force per charge on a moving charge.
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Electromagnetic waves can be reflected; the surface of a conductor or a dielectric can act as a reflector. As electric and magnetic fields obey the superposition principle, so do electromagnetic waves. The superposition of an incident wave and a reflected electromagnetic wave produces a standing wave analogous to the standing waves created on a stretched string.
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Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials
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Electromagnetic inhomogeneous waves at planar boundaries: tutorial.

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    Journal of the Optical Society of America. A, Optics, Image Science, and Vision
    |September 15, 2015
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    Summary
    This summary is machine-generated.

    This review clarifies inhomogeneous wave properties at interfaces, differentiating lateral, surface, and leaky waves. It provides quasi-optical descriptions and explains their physical origins for better understanding wave phenomena.

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    Area of Science:

    • Physics
    • Wave Phenomena
    • Electromagnetism

    Background:

    • Inhomogeneous waves are crucial for understanding wave propagation at interfaces.
    • Distinguishing between lateral, surface, and leaky waves is essential for applied physics.

    Purpose of the Study:

    • To review and summarize the fundamental properties of inhomogeneous waves.
    • To differentiate between lateral, surface, and leaky waves.
    • To provide quasi-optical descriptions and explain the physical origins of these wave properties.

    Main Methods:

    • Literature review of inhomogeneous wave phenomena.
    • Comparative analysis of wave types (lateral, surface, leaky).
    • Quasi-optical description and physical origin analysis.

    Main Results:

    • Detailed summary of fundamental properties of inhomogeneous waves.
    • Clear distinctions established between lateral, surface, and leaky waves.
    • Explanations provided for the physical origins and quasi-optical behavior of these waves.

    Conclusions:

    • Inhomogeneous waves exhibit distinct characteristics at planar interfaces.
    • Understanding these wave types is key for advancements in wave physics and applications.
    • The review offers a foundational resource for researchers in the field.