Characteristics of a New Carbon Nanotube Antenna Structure With Enhanced Radiation in the Sub-Terahertz Range
In this paper, a new antenna configuration is proposed to operate efficiently in the sub-terahertz frequency range (10-1000 GHz). The proposed antenna is composed of a bundle of single-walled carbon nanotubes (SWCNTs) surrounded by two dielectric jackets; the inner of which is dielectric foam with r...
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| Veröffentlicht in: | IEEE transactions on nanotechnology 2012-05, Vol.11 (3), p.640-646 |
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| container_end_page | 646 |
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| container_title | IEEE transactions on nanotechnology |
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| creator | Mahmoud, S. F. AlAjmi, A. R. |
| description | In this paper, a new antenna configuration is proposed to operate efficiently in the sub-terahertz frequency range (10-1000 GHz). The proposed antenna is composed of a bundle of single-walled carbon nanotubes (SWCNTs) surrounded by two dielectric jackets; the inner of which is dielectric foam with relative permittivity close to unity. The outer one is a metamaterial layer with permittivity much smaller than the free-space permittivity. Rigorous analysis shows that the metamaterial layer helps to reduce the axial propagation constant of the surface wave mode traveling along the antenna. The radiation resistance and the radiation efficiency of a resonant dipole antenna are derived. Numerical results show that these parameters are considerably enhanced at the sub-terahertz frequencies relative to the SWCNT bundle antenna. |
| doi_str_mv | 10.1109/TNANO.2012.2190752 |
| format | Article |
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F. ; AlAjmi, A. R.</creator><creatorcontrib>Mahmoud, S. F. ; AlAjmi, A. R.</creatorcontrib><description>In this paper, a new antenna configuration is proposed to operate efficiently in the sub-terahertz frequency range (10-1000 GHz). The proposed antenna is composed of a bundle of single-walled carbon nanotubes (SWCNTs) surrounded by two dielectric jackets; the inner of which is dielectric foam with relative permittivity close to unity. The outer one is a metamaterial layer with permittivity much smaller than the free-space permittivity. Rigorous analysis shows that the metamaterial layer helps to reduce the axial propagation constant of the surface wave mode traveling along the antenna. The radiation resistance and the radiation efficiency of a resonant dipole antenna are derived. Numerical results show that these parameters are considerably enhanced at the sub-terahertz frequencies relative to the SWCNT bundle antenna.</description><identifier>ISSN: 1536-125X</identifier><identifier>EISSN: 1941-0085</identifier><identifier>DOI: 10.1109/TNANO.2012.2190752</identifier><identifier>CODEN: ITNECU</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Antenna ; Applied sciences ; carbon nanotubes ; Circuit properties ; Cross-disciplinary physics: materials science; rheology ; Dipole antennas ; Electric, optical and optoelectronic circuits ; Electronic circuits ; Electronics ; Exact sciences and technology ; Impedance ; Materials ; Materials science ; metamaterial ; Metamaterials ; Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits ; Nanoscale materials and structures: fabrication and characterization ; Nanotubes ; Oscillators, resonators, synthetizers ; Permittivity ; Physics ; Resistance ; terahertz antenna</subject><ispartof>IEEE transactions on nanotechnology, 2012-05, Vol.11 (3), p.640-646</ispartof><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c297t-9ac31398fe99bfa6384055c937e21ccc3322677077fcfb277344936f1184cf513</citedby><cites>FETCH-LOGICAL-c297t-9ac31398fe99bfa6384055c937e21ccc3322677077fcfb277344936f1184cf513</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/6168840$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/6168840$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25901947$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Mahmoud, S. F.</creatorcontrib><creatorcontrib>AlAjmi, A. R.</creatorcontrib><title>Characteristics of a New Carbon Nanotube Antenna Structure With Enhanced Radiation in the Sub-Terahertz Range</title><title>IEEE transactions on nanotechnology</title><addtitle>TNANO</addtitle><description>In this paper, a new antenna configuration is proposed to operate efficiently in the sub-terahertz frequency range (10-1000 GHz). The proposed antenna is composed of a bundle of single-walled carbon nanotubes (SWCNTs) surrounded by two dielectric jackets; the inner of which is dielectric foam with relative permittivity close to unity. The outer one is a metamaterial layer with permittivity much smaller than the free-space permittivity. Rigorous analysis shows that the metamaterial layer helps to reduce the axial propagation constant of the surface wave mode traveling along the antenna. The radiation resistance and the radiation efficiency of a resonant dipole antenna are derived. Numerical results show that these parameters are considerably enhanced at the sub-terahertz frequencies relative to the SWCNT bundle antenna.</description><subject>Antenna</subject><subject>Applied sciences</subject><subject>carbon nanotubes</subject><subject>Circuit properties</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Dipole antennas</subject><subject>Electric, optical and optoelectronic circuits</subject><subject>Electronic circuits</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Impedance</subject><subject>Materials</subject><subject>Materials science</subject><subject>metamaterial</subject><subject>Metamaterials</subject><subject>Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits</subject><subject>Nanoscale materials and structures: fabrication and characterization</subject><subject>Nanotubes</subject><subject>Oscillators, resonators, synthetizers</subject><subject>Permittivity</subject><subject>Physics</subject><subject>Resistance</subject><subject>terahertz antenna</subject><issn>1536-125X</issn><issn>1941-0085</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1LAzEQhhdRsFb_gF5y8bg1H5vN5liW-gFlC7aityWbTtxImy1JFtFf79aWnmZg3meYeZLkluAJIVg-rKpptZhQTOiEEokFp2fJiMiMpBgX_HzoOctTQvnHZXIVwhfGROS8GCXbslVe6Qjehmh1QJ1BClXwjUrlm86hSrku9g2gqYvgnELL6Hsdew_o3cYWzVyrnIY1elVrq6IdEOtQbAEt-yZdgVct-Pg7jN0nXCcXRm0C3BzrOHl7nK3K53S-eHopp_NUUyliKpVmhMnCgJSNUTkrMsy5lkwAJVprxijNhcBCGG0aKgTLMslyQ0iRacMJGyf0sFf7LgQPpt55u1X-pya43gur_4XVe2H1UdgA3R-gnQpabYwf_rLhRFIu8WBUDLm7Q84CwGmck7wYzmR_quh0YA</recordid><startdate>20120501</startdate><enddate>20120501</enddate><creator>Mahmoud, S. F.</creator><creator>AlAjmi, A. R.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20120501</creationdate><title>Characteristics of a New Carbon Nanotube Antenna Structure With Enhanced Radiation in the Sub-Terahertz Range</title><author>Mahmoud, S. F. ; AlAjmi, A. R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c297t-9ac31398fe99bfa6384055c937e21ccc3322677077fcfb277344936f1184cf513</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Antenna</topic><topic>Applied sciences</topic><topic>carbon nanotubes</topic><topic>Circuit properties</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Dipole antennas</topic><topic>Electric, optical and optoelectronic circuits</topic><topic>Electronic circuits</topic><topic>Electronics</topic><topic>Exact sciences and technology</topic><topic>Impedance</topic><topic>Materials</topic><topic>Materials science</topic><topic>metamaterial</topic><topic>Metamaterials</topic><topic>Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits</topic><topic>Nanoscale materials and structures: fabrication and characterization</topic><topic>Nanotubes</topic><topic>Oscillators, resonators, synthetizers</topic><topic>Permittivity</topic><topic>Physics</topic><topic>Resistance</topic><topic>terahertz antenna</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mahmoud, S. F.</creatorcontrib><creatorcontrib>AlAjmi, A. R.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>IEEE transactions on nanotechnology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Mahmoud, S. F.</au><au>AlAjmi, A. R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Characteristics of a New Carbon Nanotube Antenna Structure With Enhanced Radiation in the Sub-Terahertz Range</atitle><jtitle>IEEE transactions on nanotechnology</jtitle><stitle>TNANO</stitle><date>2012-05-01</date><risdate>2012</risdate><volume>11</volume><issue>3</issue><spage>640</spage><epage>646</epage><pages>640-646</pages><issn>1536-125X</issn><eissn>1941-0085</eissn><coden>ITNECU</coden><abstract>In this paper, a new antenna configuration is proposed to operate efficiently in the sub-terahertz frequency range (10-1000 GHz). The proposed antenna is composed of a bundle of single-walled carbon nanotubes (SWCNTs) surrounded by two dielectric jackets; the inner of which is dielectric foam with relative permittivity close to unity. The outer one is a metamaterial layer with permittivity much smaller than the free-space permittivity. Rigorous analysis shows that the metamaterial layer helps to reduce the axial propagation constant of the surface wave mode traveling along the antenna. The radiation resistance and the radiation efficiency of a resonant dipole antenna are derived. Numerical results show that these parameters are considerably enhanced at the sub-terahertz frequencies relative to the SWCNT bundle antenna.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TNANO.2012.2190752</doi><tpages>7</tpages></addata></record> |
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| ispartof | IEEE transactions on nanotechnology, 2012-05, Vol.11 (3), p.640-646 |
| issn | 1536-125X 1941-0085 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Antenna Applied sciences carbon nanotubes Circuit properties Cross-disciplinary physics: materials science rheology Dipole antennas Electric, optical and optoelectronic circuits Electronic circuits Electronics Exact sciences and technology Impedance Materials Materials science metamaterial Metamaterials Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits Nanoscale materials and structures: fabrication and characterization Nanotubes Oscillators, resonators, synthetizers Permittivity Physics Resistance terahertz antenna |
| title | Characteristics of a New Carbon Nanotube Antenna Structure With Enhanced Radiation in the Sub-Terahertz Range |
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