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Related Experiment Video

Updated: Jun 27, 2026

$Stress Distribution During Cold Compression of Rocks and Mineral Aggregates Using Synchrotron-based X-Ray Diffraction$

Stress Distribution During Cold Compression of Rocks and Mineral Aggregates Using Synchrotron-based X-Ray Diffraction

Published on: May 20, 2018

Subwavelength diffraction management.

Matteo Conforti¹, Massimiliano Guasoni, Costantino De Angelis

¹Dipartimento di Elettronica per l'Automazione, Consorzio Nazionale Interuniversitario per le Scienze Fisiche della Materia, Università di Brescia, Brescia, Italy. matteo.conforti@ing.unibs.it

|November 19, 2008

Summary

This summary is machine-generated.

Researchers managed light diffraction in nanoscale periodic structures by altering waveguide geometry. This control over light behavior is achieved on a subwavelength scale using numerical methods.

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Published on: December 8, 2016

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

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Last Updated: Jun 27, 2026

$Stress Distribution During Cold Compression of Rocks and Mineral Aggregates Using Synchrotron-based X-Ray Diffraction$

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Published on: May 20, 2018

$Studying Soft-matter and Biological Systems over a Wide Length-scale from Nanometer and Micrometer Sizes at the Small-angle Neutron Diffractometer KWS-2$

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Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Area of Science:

Optics and Photonics
Materials Science
Nanotechnology

Background:

Light propagation in periodic nanostructures is crucial for optical device development.
Controlling diffraction is essential for manipulating light at the nanoscale.
Dielectric and metal components offer unique electromagnetic properties.

Purpose of the Study:

To investigate light propagation in nanoscale periodic dielectric-metal structures.
To demonstrate the ability to tailor diffraction magnitude and sign.
To achieve diffraction management on a subwavelength scale.

Main Methods:

Numerical solution of Maxwell equations in the frequency domain.
Modeling light propagation in engineered periodic nanostructures.
Analysis of geometric feature effects on diffraction.

Main Results:

Demonstrated tunable diffraction by varying waveguide geometric features.
Achieved control over both the magnitude and sign of diffraction.
Verified subwavelength-scale diffraction management.

Conclusions:

Geometric tailoring of nanoscale periodic structures enables precise control over light diffraction.
Subwavelength diffraction management is feasible through numerical simulation.
Potential applications in advanced optical devices and integrated photonics.