Chikhi, Nassim
(2012)
Hybrid metamaterial-LC based structures with large tunability range from the microwave to the terahertz region.
[Tesi di dottorato]
| Tipologia del documento: |
Tesi di dottorato
|
| Lingua: |
English |
| Titolo: |
Hybrid metamaterial-LC based structures with large tunability range from the microwave to the terahertz region |
| Autori: |
| Autore | Email |
|---|
| Chikhi, Nassim | chikhi@na.infn.it |
|
| Data: |
30 Novembre 2012 |
| Numero di pagine: |
152 |
| Istituzione: |
Università degli Studi di Napoli Federico II |
| Dipartimento: |
Scienze fisiche |
| Scuola di dottorato: |
Ingegneria industriale |
| Dottorato: |
Tecnologie innovative per materiali, sensori ed imaging |
| Ciclo di dottorato: |
24 |
| Coordinatore del Corso di dottorato: |
| nome | email |
|---|
| Andreone, Antonello | andreone@unina.it |
|
| Tutor: |
| nome | email |
|---|
| Andreone, Antonello | [non definito] |
|
| Data: |
30 Novembre 2012 |
| Numero di pagine: |
152 |
| Parole chiave: |
Metamaterial, Left Handed Material, negative refractive index, tunability, liquid crystal, terahertz metamaterial. |
| Settori scientifico-disciplinari del MIUR: |
Area 02 - Scienze fisiche > FIS/01 - Fisica sperimentale |
[error in script]
[error in script]
| Depositato il: |
21 Dic 2012 13:16 |
| Ultima modifica: |
30 Apr 2014 19:49 |
| URI: |
http://www.fedoa.unina.it/id/eprint/9043 |
| DOI: |
10.6092/UNINA/FEDOA/9043 |
Abstract
This work aimed to exploit a new class of artificial materials exhibiting unconventional properties, to build new devices for a wild range of applications, starting from the microwave region up to the terahertz regime. We focused on the design and fabrication of metamaterials with unit cells based on split ring resonators SRRs and other type of resonators for the development of tunable negative refractive index metamaterials. The basic idea is to exploit the nematic liquid crystals properties, whose orientation can be magnetically or electrically controlled, to achieve the dynamic frequency modulation of the fabricated metamaterials, in order to build innovative devices for applications from the microwave up to the THz region, where the metal loss can be still maintained at a reasonable level.
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