Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/88910
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dc.contributor.authorRao, S. Jagan Mohanen
dc.contributor.authorSrivastava, Yogesh Kumaren
dc.contributor.authorKumar, Gaganen
dc.contributor.authorRoy Chowdhury, Dibakaren
dc.date.accessioned2018-12-17T03:36:24Zen
dc.date.accessioned2019-12-06T17:13:34Z-
dc.date.available2018-12-17T03:36:24Zen
dc.date.available2019-12-06T17:13:34Z-
dc.date.issued2018en
dc.identifier.citationRao, S. J. M., Srivastava, Y. K., Kumar, G., & Roy Chowdhury, D. (2018). Modulating fundamental resonance in capacitive coupled asymmetric terahertz metamaterials. Scientific Reports, 8(1), 16773-. doi: 10.1038/s41598-018-34942-2en
dc.identifier.urihttps://hdl.handle.net/10356/88910-
dc.description.abstractIn this work, we experimentally investigate near-field capacitive coupling between a pair of single-gap split ring resonators (SRRs) in a terahertz metamaterial. The unit cell of our design comprises of two coupled SRRs with the split gaps facing each other. The coupling between two SRRs is examined by changing the gap of one resonator with respect to the other for several inter resonator separations. When split gap size of one resonator is increased for a fixed inter-resonator distance, we observe a split in the fundamental resonance mode. This split ultimately results in the excitation of narrow band low frequency resonance mode along with a higher frequency mode which gets blue shifted when the split gap increases. We attribute resonance split to the excitation of symmetric and asymmetric modes due to strong capacitive or electric interaction between the near-field coupled resonators, however blue shift of the higher frequency mode occurs mainly due to the reduced capacitance. The ability of near-field capacitive coupled terahertz metamaterials to excite split resonances could be significant in the construction of modulator and sensing devices beside other potential applications for terahertz domain.en
dc.format.extent8 p.en
dc.language.isoenen
dc.relation.ispartofseriesScientific Reportsen
dc.rights© 2018 The Author(s). This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. Te images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.en
dc.subjectResonanceen
dc.subjectTerahertzen
dc.subjectDRNTU::Science::Physicsen
dc.titleModulating fundamental resonance in capacitive coupled asymmetric terahertz metamaterialsen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen
dc.identifier.doi10.1038/s41598-018-34942-2en
dc.description.versionPublished versionen
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