Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/65634
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Type: Journal article
Title: Terahertz scattering by subwavelength cylindrical arrays
Author: Png, G.
Fumeaux, C.
Stringer, M.
Miles, R.
Abbott, D.
Citation: Optics Express, 2011; 19(11):10138-10152
Publisher: Optical Soc Amer
Issue Date: 2011
ISSN: 1094-4087
1094-4087
Statement of
Responsibility: 
Gretel M. Png, Christophe Fumeaux, Mark R. Stringer, Robert E. Miles and Derek Abbott
Abstract: We demonstrate the use of a full-wave electromagnetic field simulator to verify terahertz (THz) transmission-mode spectroscopic measurements of periodic arrays containing subwavelength cylindrical scatterers. Many existing THz scattering studies utilize analytical solutions, which were developed for a single scatterer. For multiple scatterers, a scaling factor equal to the number of scatterers is applied, accounting for interference between far-field radiative contributions from those scatterers but not their near-field mutual coupling. Consequently, analytical solutions do not accurately verify measurements. Conversely, results from the full-wave electromagnetic field simulator elucidate our measurements well, and provide an important insight into how the scattering behavior of cylindrical scatterers is influenced by test conditions.
Keywords: Surface Plasmon Resonance; Models, Theoretical; Terahertz Radiation; Terahertz Spectroscopy; Optics and Photonics; Algorithms; Radiation; Scattering, Radiation; Equipment Design
Rights: © Copyright 2011 Optical Society of America
RMID: 0020110247
DOI: 10.1364/OE.19.010138
Appears in Collections:Electrical and Electronic Engineering publications

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