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Parallel Resonance

Parallel Resonance

The parallel RLC circuit is an arrangement where the resistor (R), inductor (L), and capacitor (C) are all connected to the same nodes and, as a result, share the same voltage across them. The parallel RLC circuit is analyzed in terms of admittance (Y), which reflects the ease with which current can flow. The admittance is given by:

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Related Experiment Video

Updated: Jun 5, 2026

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

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

Published on: March 23, 2017

Planar terahertz waveguides based on complementary split ring resonators.

Gagan Kumar¹, Albert Cui, Shashank Pandey

¹Department of Electrical and Computer Engineering, University of Utah, Salt Lake City, Utah 84112, USA.

|January 26, 2011

Summary

This summary is machine-generated.

Researchers created novel terahertz (THz) waveguides using perforated metal films with complementary split ring resonators (CSRRs). These structures show promising potential for THz guided-wave devices, independent of traditional metamaterial responses.

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Last Updated: Jun 5, 2026

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

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Area of Science:

Optics and Photonics
Materials Science
Electromagnetism

Background:

Terahertz (THz) technology requires efficient guided-wave structures.
Complementary split ring resonators (CSRRs) are known for metamaterial applications.

Purpose of the Study:

To experimentally demonstrate planar plasmonic THz waveguides.
To investigate the resonant properties of CSRR-perforated metal films for THz wave guiding.

Main Methods:

Fabrication of planar waveguides using metal films with periodic CSRR perforations.
Experimental measurement of waveguide transmission spectra.

Main Results:

Observed numerous transmission resonances in the waveguide spectra.
Demonstrated that resonance frequencies are determined by CSRR aperture geometry.
Found no limitation on resonance frequency extent by the Bragg condition.

Conclusions:

Metamaterial-inspired CSRR geometries can be utilized for THz guided-wave devices.
The demonstrated waveguides offer a new approach for THz wave manipulation.
Resonance behavior is governed by aperture geometry rather than conventional metamaterial effects.