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Conference Paper: Tunable plasmonic wires at terahertz frequencies
Title | Tunable plasmonic wires at terahertz frequencies |
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Authors | |
Keywords | Terahertz Metamaterials Plasma frequency Electrical permittivity Tunability |
Issue Date | 2004 |
Citation | Proceedings of SPIE - The International Society for Optical Engineering, 2004, v. 5512, p. 100-106 How to Cite? |
Abstract | We employed micro-electro-mechanical system (MEMS) techniques to fabricate parallel sub-wavelength thin-wire structures of metals on elastomeric matrices. From the transmission measurement by Fourier Transform Infrared Spectroscopy, we observed the depressed plasma frequencies of these thin-wire structures at terahertz (THz) ranges. Furthermore, the behavior of depressed plasma frequencies is very sensitive to the polarization of the applied field. The reasons that these engineered materials exhibit unprecedented properties not observed in nature can be interpreted by two factors: the diluted electron densities and the enhancement of electron mass. In addition, the plasma frequencies are readily tunable over a broad frequency range by extending the elastomeric matrices to change their periodicity. These novel properties of tunable and polarization-dependant plasma frequencies at THz ranges promise abundant striking applications in THz optics. |
Persistent Identifier | http://hdl.handle.net/10722/256890 |
ISSN | 2020 SCImago Journal Rankings: 0.192 |
DC Field | Value | Language |
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dc.contributor.author | Yen, Ta Jen | - |
dc.contributor.author | Wu, Dongmin | - |
dc.contributor.author | Fang, Nicholas | - |
dc.contributor.author | Zhang, Xiang | - |
dc.date.accessioned | 2018-07-24T08:58:15Z | - |
dc.date.available | 2018-07-24T08:58:15Z | - |
dc.date.issued | 2004 | - |
dc.identifier.citation | Proceedings of SPIE - The International Society for Optical Engineering, 2004, v. 5512, p. 100-106 | - |
dc.identifier.issn | 0277-786X | - |
dc.identifier.uri | http://hdl.handle.net/10722/256890 | - |
dc.description.abstract | We employed micro-electro-mechanical system (MEMS) techniques to fabricate parallel sub-wavelength thin-wire structures of metals on elastomeric matrices. From the transmission measurement by Fourier Transform Infrared Spectroscopy, we observed the depressed plasma frequencies of these thin-wire structures at terahertz (THz) ranges. Furthermore, the behavior of depressed plasma frequencies is very sensitive to the polarization of the applied field. The reasons that these engineered materials exhibit unprecedented properties not observed in nature can be interpreted by two factors: the diluted electron densities and the enhancement of electron mass. In addition, the plasma frequencies are readily tunable over a broad frequency range by extending the elastomeric matrices to change their periodicity. These novel properties of tunable and polarization-dependant plasma frequencies at THz ranges promise abundant striking applications in THz optics. | - |
dc.language | eng | - |
dc.relation.ispartof | Proceedings of SPIE - The International Society for Optical Engineering | - |
dc.subject | Terahertz | - |
dc.subject | Metamaterials | - |
dc.subject | Plasma frequency | - |
dc.subject | Electrical permittivity | - |
dc.subject | Tunability | - |
dc.title | Tunable plasmonic wires at terahertz frequencies | - |
dc.type | Conference_Paper | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1117/12.560553 | - |
dc.identifier.scopus | eid_2-s2.0-13244266957 | - |
dc.identifier.volume | 5512 | - |
dc.identifier.spage | 100 | - |
dc.identifier.epage | 106 | - |