Open Access#12018
Experimental Observation of a Large Low-Frequency Band Gap in a Polymer Waveguide
M. Miniaci acknowledges funding from the European Union's Horizon 2020 research and innovation programme under the Marie Skodowska-Curie grant agreement no. 658483. NMP is supported by the European Commission H2020 under the Graphene Flagship Core 1 No. 696656 (WP14 "227 Polymer composites") and FET Proactive "Neurofibres" grant No. 732344. FB is supported by H2020 FET Proactive "Neurofibres" grant No. 732344. FB and NK have been funded by Progetto d'Ateneo/Fondazione San Paolo "Metapp", n. CSTO160004.