Metamaterial-inspired bandpass filters for terahertz surface waves on Goubau lines

K. Horestani, Ali; Withayachumnankul, Withawat; Chahadih, Abdallah; Ghaddar, Abbas; Zehar, Mokhtar; Abbott, Derek; Fumeaux, Christophe; Akalin, Tahsin

Document type :

Compte-rendu et recension critique d'ouvrage

DOI :

10.1109/TTHZ.2013.2285556

Title :

Metamaterial-inspired bandpass filters for terahertz surface waves on Goubau lines

Author(s) :

K. Horestani, Ali [Auteur]
Ministry of Science, Research and Technology [Tehran] [MSRT]
Withayachumnankul, Withawat [Auteur]
Chahadih, Abdallah [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Ghaddar, Abbas [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Zehar, Mokhtar [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Abbott, Derek [Auteur]
Fumeaux, Christophe [Auteur]
Akalin, Tahsin [Auteur]

Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]

Journal title :

IEEE Transactions on Terahertz Science and Technology

Pages :

851-858

Publisher :

Institute of Electrical and Electronics Engineers

Publication date :

2013

ISSN :

2156-342X

English keyword(s) :

Bandpass filter
metamaterials
surface wave
terahertz Goubau line

English abstract : [en]

This paper is focused on the application of split ring resonators (SRRs) to the design of compact bandpass filters for terahertz surface waves on single-wire waveguides, the so-called planar Goubau lines (PGLs). Through ...
Show more >This paper is focused on the application of split ring resonators (SRRs) to the design of compact bandpass filters for terahertz surface waves on single-wire waveguides, the so-called planar Goubau lines (PGLs). Through equivalent circuit models, electromagnetic simulations, and experiments, it is shown that, while a pair of SRRs coupled to a PGL inhibits the propagation of surface waves along the line, introducing a capacitive gap to the PGL switches the bandstop behavior to a bandpass behavior. In order to highlight the potential application of the proposed structure to the design of practical higher order terahertz bandpass filters, two types of compact bandpass filters are designed and fabricated: 1) third-order periodic bandpass filters based on SRR/gap-loaded PGL and 2) coupled-resonator bandpass filters. It is shown that, while the frequency response of the both filter types can be controlled by altering the physical dimensions of the structure, a wider bandwidth can be achieved from the coupled-resonator filters. The design concept and simulation results are validated through experiments.Show less >

Language :

Anglais

Popular science :

Non

Collections :

Institut d'Électronique, de Microélectronique et de Nanotechnologie (IEMN) - UMR 8520

Source :

Harvested from HAL

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