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High directive antenna based on metamaterial slab with zero permittivity
KTH, School of Information and Communication Technology (ICT), Microelectronics and Applied Physics, MAP.
KTH, School of Information and Communication Technology (ICT), Microelectronics and Applied Physics, MAP.
2008 (English)In: Proceedings of SPIE - The International Society for Optical Engineering, 2008Conference paper, Published paper (Refereed)
Abstract [en]

In the present paper, the properties of an antenna centred at a metamaterial slab with zero permittivity are investigated. It is analyzed that the antenna can achieve high directive performance. Its half power beam width (HPBW) decreases monotonically with the increase of the width of the slab. While the gain of such antenna can only be 0dB independent of the slab's width. When the permittivity deviates form zero to a little positive number, antenna can achieve high gain by choosing appropriate slab's width due to the transmission resonance. The effect of loss is also analyzed.

Place, publisher, year, edition, pages
2008.
Series
Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X ; 7135
Keyword [en]
High directive antenna, Metamaterials, Half power beam widths, High gains, Metamaterial, Positive numbers, Transmission resonances, Directional patterns (antenna), Directive antennas, Law enforcement, Optoelectronic devices, Permittivity
National Category
Other Physics Topics
Identifiers
URN: urn:nbn:se:kth:diva-154173DOI: 10.1117/12.803717Scopus ID: 2-s2.0-62649097877OAI: oai:DiVA.org:kth-154173DiVA: diva2:756033
Conference
Optoelectronic Materials and Devices III, 27 October 2008 through 30 October 2008, Hangzhou
Note

QC 20141016

Available from: 2014-10-16 Created: 2014-10-14 Last updated: 2014-10-16Bibliographically approved

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