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Related Concept Videos

X-ray Crystallography02:18

X-ray Crystallography

The size of the unit cell and the arrangement of atoms in a crystal may be determined from measurements of the diffraction of X-rays by the crystal, termed X-ray crystallography.
Diffraction
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Related Experiment Video

Updated: Jun 23, 2026

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

Photonic crystal diffraction gratings.

D Maystre

    Optics Express
    |May 7, 2009
    PubMed
    Summary
    This summary is machine-generated.

    Diffraction gratings using two-dimensional dielectric photonic crystals can achieve 100% efficiency in the -1st order for polarized light due to blazing effects. These lossless structures offer high performance in optical applications.

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    Published on: July 18, 2015

    Area of Science:

    • Photonics
    • Optics
    • Materials Science

    Background:

    • Diffraction gratings are crucial optical components.
    • Photonic crystals offer unique light manipulation properties.
    • Achieving high efficiency in diffraction gratings is a key challenge.

    Purpose of the Study:

    • To investigate blazing effects in two-dimensional dielectric photonic crystal diffraction gratings.
    • To determine the potential for high diffraction efficiency in these structures.
    • To analyze the performance of these gratings using rigorous diffraction theory.

    Main Methods:

    • Numerical simulations based on a rigorous theory of diffraction.
    • Analysis of two-dimensional dielectric photonic crystal structures.
    • Calculation of diffraction efficiency curves.

    Main Results:

    • Two-dimensional dielectric photonic crystal diffraction gratings exhibit blazing effects.
    • Lossless operation allows for 100% efficiency in the -1st diffraction order for polarized light.
    • Efficiency curves in Littrow mount were successfully generated and analyzed.

    Conclusions:

    • Dielectric photonic crystal diffraction gratings are highly efficient optical elements.
    • Blazing effects enable near-perfect light redirection.
    • These findings have implications for advanced optical device design.