Related Experiment Video

Updated: Feb 14, 2026

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials
10:35

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials

Published on: September 26, 2014

12.8K

Ultra-narrow photonic nanojets through a glass cuboid embedded in a dielectric cylinder

Jianming Yang, Patrice Twardowski, Philippe Gérard

    Optics Express
    |February 25, 2018
    PubMed

    More Related Videos

    Fabrication and Testing of Photonic Thermometers08:44

    Fabrication and Testing of Photonic Thermometers

    Published on: October 24, 2018

    6.3K
    Application of a Coupling Agent to Improve the Dielectric Properties of Polymer-Based Nanocomposites06:34

    Application of a Coupling Agent to Improve the Dielectric Properties of Polymer-Based Nanocomposites

    Published on: September 19, 2020

    6.4K

    Related Concept Videos

    Capacitor With A Dielectric01:18

    Capacitor With A Dielectric

    Parallel plate capacitors consist of two conducting plates separated by a certain distance. However, it is mechanically difficult to hold the large plates parallel to each other without actual contact. Hence, a dielectric layer is commonly placed between the plates, which provides an easy solution for holding the plates together with a small gap and increases the capacitance of the capacitor.
    Dielectrics are non-conducting materials with no free or loosely bound electrons. When a dielectric is...
    5.0K
    The Looking Glass Self01:28

    The Looking Glass Self

    The concept of the looking-glass self describes how an individual's self-concept is shaped by their perception of how others see them. This psychological theory, first introduced by sociologist Charles Horton Cooley in 1902, posits that self-identity emerges in a social context and is influenced by the judgments—real or imagined—of others.Research suggests that individuals frequently overestimate how positively others perceive them. This is particularly evident in physical...
    384
    Gauss's Law in Dielectrics01:17

    Gauss's Law in Dielectrics

    Consider a polar dielectric placed in an external field. In such a dielectric, opposite charges on adjacent dipoles neutralize each other, such that the net charge within the dielectric is zero. When a polar dielectric is inserted in between the capacitor plates, an electric field is generated due to the presence of net charges near the edge of the dielectric and the metal plates interface. Since the external electrical field merely aligns the dipoles, the dielectric as a whole is neutral. An...
    5.2K
    Distribution of Stresses in a Narrow Rectangular Beam01:11

    Distribution of Stresses in a Narrow Rectangular Beam

    In studying beam stress distribution, examining an elemental section is essential. To determine the average shearing stress on this face, the calculated shear is divided by the surface area. Importantly, shearing stresses on the beam's transverse and horizontal planes mirror each other, indicating a consistent stress distribution along the upper region of the beam. Notably, shearing stresses are absent at the beam's upper and lower surfaces due to the absence of applied forces in these...
    549
    Dielectric Polarization in a Capacitor01:31

    Dielectric Polarization in a Capacitor

    The presence of a dielectric medium in a capacitor not only changes the voltage and capacitance but also affects the electric field. In general, dielectrics can be of two types: polar and nonpolar. In a polar dielectric, the positive and negative charges in the molecules are separated by a distance and hence have a permanent dipole moment. In contrast, no such charge separation exists in a nonpolar dielectric, however the nonpolar molecules get polarized in the presence of an external electric...
    6.1K
    Susceptibility, Permittivity and Dielectric Constant01:26

    Susceptibility, Permittivity and Dielectric Constant

    When placed in an external electric field, a dielectric material gets polarized. The charge density in the dielectric material is given by the sum of the bound and free charge densities, while the total charge density can also be written in terms of the total electric field. The bound charge density can be measured in terms of polarization, leading to the relationship between electric displacement and polarization.
    3.1K