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Related Concept Videos

Standing Waves in a Cavity01:28

Standing Waves in a Cavity

A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
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.
Travelling Waves01:04

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A wave is a disturbance that propagates from its source, repeating itself periodically, and is typically associated with simple harmonic motion. Mechanical waves are governed by Newton's laws and require a medium to travel. A medium is a substance in which a mechanical wave propagates, and the medium produces an elastic restoring force when it is deformed.
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Propagation of Waves01:07

Propagation of Waves

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Hydrostatic Pressure Force on a Curved Surface01:04

Hydrostatic Pressure Force on a Curved Surface

Hydrostatic pressure on curved surfaces is a fundamental concept in fluid mechanics with broad applications in the civil engineering field. When fluid is in contact with a curved surface, as in a reservoir, dam, or storage tank, it exerts pressure that varies in magnitude and direction along the curved surface. To assess the total hydrostatic force exerted by the fluid on a curved structure, engineers typically isolate the fluid volume adjacent to the surface and analyze the forces acting on...
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Related Experiment Video

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Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
11:08

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Light waves guided by a single curved metallic surface.

H Krammer

    Applied Optics
    |February 23, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This study shows that transverse electric (TE) waves can be guided with low loss along curved metallic surfaces. Power concentrates near the metal, with attenuation independent of curvature for effective wave guiding.

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    Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
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    Published on: August 30, 2012

    Area of Science:

    • Physics
    • Electromagnetism
    • Wave Propagation

    Background:

    • Guiding electromagnetic waves along curved surfaces is crucial for various applications.
    • Understanding wave behavior in such geometries is complex.

    Purpose of the Study:

    • To investigate the propagation of transverse electric (TE) waves along curved metallic surfaces.
    • To develop theoretical models and experimental validation for low-loss wave guiding.

    Main Methods:

    • Theoretical analysis using approximate analytic expressions for field configuration.
    • Experimental investigation using 10-micrometer radiation.
    • Measurement of attenuation constant per unit angle of bend.

    Main Results:

    • Power of TE-waves concentrates in a small region near the metallic surface.
    • Attenuation constant is independent of the radius of curvature and mode number.
    • Experimental results align with theoretical predictions, demonstrating low loss guiding.

    Conclusions:

    • Low-loss guiding of TE-waves is achievable along curved metallic surfaces.
    • The derived attenuation constant provides a key parameter for designing such guiding structures.
    • The findings have implications for developing efficient wave-guiding technologies.