Related Experiment Video
Updated: Jun 13, 2026

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
Published on: August 30, 2012
Negative index Clarricoats-Waldron waveguides for terahertz and far infrared applications
Alessandro Salandrino1, Demetrios N Christodoulides
1CREOL/College of Optics and Photonics, University of Central Florida, Orlando, Florida 32816, USA. asalan@creol.ucf.edu
Abstract:
We explore a class of dielectrically loaded metallic waveguides capable of supporting negative index modes in the far infrared and terahertz regime. Principles of operation, modal structure and appropriate coupling schemes are analytically and numerically investigated. The extreme simplicity of the proposed design, along with the non-conventional and counter intuitive electromagnetic properties of this family of waveguides, makes these structures excellent candidates for the practical realization of negative index far infrared and terahertz devices with new and interesting functionalities. Generalizations and extensions of the suggested design are also discussed.
Related Concept Videos
IR Spectrometers
Infrared (IR) Spectroscopy: Overview
Different compounds display unique properties due to their...
IR Absorption Frequency: Hybridization
Among the sp, sp2, and sp3 hybridized orbitals, sp orbitals have the maximum s character (50%). Consequently, the electrons are held more closely to the nucleus, resulting in stronger and shorter C–H bonds that stretch at a...

