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Related Concept Videos

Resonance and Hybrid Structures02:16

Resonance and Hybrid Structures

According to the theory of resonance, if two or more Lewis structures with the same arrangement of atoms can be written for a molecule, ion, or radical, the actual distribution of electrons is an average of that shown by the various Lewis structures.
Resonance Structures and Resonance Hybrids
The Lewis structure of a nitrite anion (NO2−) may actually be drawn in two different ways, distinguished by the locations of the N–O and N=O bonds.
Double Resonance Techniques: Overview01:12

Double Resonance Techniques: Overview

Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...
Resonance02:52

Resonance

The Lewis structure of a nitrite anion (NO2−) may actually be drawn in two different ways, distinguished by the locations of the N-O and N=O bonds.
¹H NMR: Complex Splitting01:13

¹H NMR: Complex Splitting

A proton M that is coupled to a proton X results in doublet signals for M. However, NMR-active nuclei can be simultaneously coupled to more than one nonequivalent nucleus. When M is coupled to a second proton A, such as in styrene oxide, each peak in the doublet is split into another doublet.
Splitting diagrams or splitting tree diagrams are routinely used to depict such complex couplings. While drawing splitting diagrams, the splitting with the larger coupling constant is usually applied first.
Sound Waves: Resonance01:14

Sound Waves: Resonance

Resonance is produced depending on the boundary conditions imposed on a wave. Resonance can be produced in a string under tension with symmetrical boundary conditions (i.e., has a node at each end). A node is defined as a fixed point where the string does not move. The symmetrical boundary conditions result in some frequencies resonating and producing standing waves, while other frequencies interfere destructively. Sound waves can resonate in a hollow tube, and the frequencies of the sound...
Concept of Resonance and its Characteristics01:19

Concept of Resonance and its Characteristics

If a driven oscillator needs to resonate at a specific frequency, then very light damping is required. An example of light damping includes playing piano strings and many other musical instruments. Conversely, to achieve small-amplitude oscillations as in a car's suspension system, heavy damping is required. Heavy damping reduces the amplitude, but the tradeoff is that the system responds at more frequencies. Speed bumps and gravel roads prove that even a car's suspension system is not immune...

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Related Experiment Video

Updated: Jun 22, 2026

Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials
10:28

Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials

Published on: March 23, 2017

Resonance hybridization in double split-ring resonator metamaterials.

Hongcang Guo, Na Liu, Liwei Fu

    Optics Express
    |June 24, 2009
    PubMed
    Summary

    We present a plasmon hybridization model to explain the optical properties of double split-ring resonator metamaterials. This approach simplifies the design of metamaterials for near-infrared and visible light applications.

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    Fabrication of Nanopillar-Based Split Ring Resonators for Displacement Current Mediated Resonances in Terahertz Metamaterials
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    Published on: April 4, 2016

    Area of Science:

    • * Physics, Optics, Materials Science

    Background:

    • * Metamaterials offer unique optical properties not found in natural materials.
    • * Understanding the optical response of complex metamaterial structures like double split-ring resonators is crucial for their application.

    Purpose of the Study:

    • * To introduce and validate a plasmon hybridization model for analyzing double split-ring resonator metamaterials.
    • * To demonstrate the model's utility in the near-infrared and visible spectral regions.

    Main Methods:

    • * Calculation of reflectance spectra using a finite-integration time-domain algorithm.
    • * Analysis of electromagnetic field distributions at resonant frequencies.
    • * Application of the plasmon hybridization picture to interpret optical properties.

    Main Results:

    • * Calculated reflectance spectra were used to identify resonant frequencies.
    • * Field distributions confirmed the predictions of the plasmon hybridization model.
    • * The model successfully explains the optical behavior of the metamaterials.

    Conclusions:

    • * Plasmon hybridization is an effective framework for understanding metamaterial optics.
    • * This model provides a powerful and simplified tool for designing metamaterials.
    • * The findings are particularly relevant for near-infrared and visible light applications.