Optimization of meta-atoms for 3D printed metamaterial structures

Vallecchi, A., Chu, S. , Shamonina, E. and Stevens, C. J. (2018) Optimization of meta-atoms for 3D printed metamaterial structures. In: 2018 12th International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials), Espoo, Finland, 27 August - 1 September 2018, pp. 410-412. ISBN 9781538647028 (doi: 10.1109/metamaterials.2018.8534160)

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Additive manufacturing by fused deposition modelling (FDM) now offers some useful performance for functional materials including conductors. Whilst this technology enables the creation of truly three-dimensional (3D) composite structures its accuracy and resolution are not yet so refined as those of 2D fabrication methods. Moreover, dielectric and metallic filaments used in FDM have complex material properties that depend on print parameters and usually exhibit higher losses than RF substrates and bulk conductors. In this work we investigate by simulations and experiments several magnetic meta-atom variants with a view to developing optimal designs for the successful production of metamaterials at microwaves with FDM techniques. Conductor thickness is shown to be a useful new design parameter to reach the desired degree of miniaturization and resonance quality factor of the meta-atoms at low print resolution.

Item Type:Conference Proceedings
Additional Information:Support for this work was provided by EPSRC grant EP/N010493/1 as part of the SYMETA project (www.symeta.co.uk). Thanks to Dr Darren Cadman, University of Loughborough, for specimen fabrication.
Glasgow Author(s) Enlighten ID:Cong Chu, Dr Son
Authors: Vallecchi, A., Chu, S., Shamonina, E., and Stevens, C. J.
College/School:College of Medical Veterinary and Life Sciences > School of Psychology & Neuroscience
Journal Name:2018 12th International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials)
Published Online:15 November 2018
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