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Related Experiment Video

Updated: Jun 16, 2026

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

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

Published on: September 26, 2014

Beam transmission through hole arrays.

¹School of Physics, The University of Melbourne, Victoria 3010, Australia. ann.roberts@unimelb.edu.au

|February 23, 2010

Summary

This summary is machine-generated.

This study investigates beam transmission through coaxial apertures in conducting screens. The screen

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Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

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Published on: March 20, 2017

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Last Updated: Jun 16, 2026

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

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

Published on: September 26, 2014

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

Area of Science:

Electromagnetism
Optics
Wave Propagation

Background:

Understanding wave transmission through apertures is crucial in optics and electromagnetism.
Arrays of coaxial apertures present complex transmission characteristics.

Purpose of the Study:

To investigate the transmission of beams through arrays of coaxial apertures in a thick, perfectly conducting screen.
To analyze the dependence of the screen's transfer function on various parameters.

Main Methods:

Utilized an angular spectrum approach to model beam transmission.
Analyzed the complex transfer function of the screen.

Main Results:

The screen's transfer function is complex and depends on wavelength, polarization, and geometry.
Demonstrated changes in angular spectrum for different polarizations (linear, radial, azimuthal).
Presented near-field intensity patterns and discussed resonant transmission mechanisms.

Conclusions:

The transmission characteristics are highly sensitive to incident field properties and screen geometry.
Resonant transmission mechanisms play a significant role in the observed phenomena.