Antenna gain enhancement by using metamaterial radome at THz band with reconfigurable characteristics based on graphene load
The reconfigurable concept of a graphene loaded patch antenna with increasing gain is proposed in this paper. We have developed the patch antenna with inset feed for THz band application for which graphene load is used to obtain the reconfigurable characteristic. It has been shown that by increasing...
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| Veröffentlicht in: | Optical and quantum electronics 2017-06, Vol.49 (6), p.1-13, Article 221 |
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| container_title | Optical and quantum electronics |
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| creator | Seyedsharbaty, Mir Mohsen Sadeghzadeh, Ramazan Ali |
| description | The reconfigurable concept of a graphene loaded patch antenna with increasing gain is proposed in this paper. We have developed the patch antenna with inset feed for THz band application for which graphene load is used to obtain the reconfigurable characteristic. It has been shown that by increasing the graphene chemical potential, the antenna resonant frequency shifted and the gain increased drastically up to 4 dBi. Additionally, we have shown that antenna efficiency is improved up to 78% which shows more than 100% of enhancement in comparison to basic antenna by increasing the graphene chemical potential. Finally, considering the antenna gain improvement, we have implemented the metamaterial layer over the antenna. In this case, the gain is increased more than 5–6 dBi. In addition, when we put the metamaterial layer over the antenna, the graphene layer shows more linear characteristics. By using parametric studies, we have defined the best point for metamaterial layer around 0.58λ. The final antenna gain is more than 11 dBi, which is useful for THz communication and THz medical imaging systems. |
| doi_str_mv | 10.1007/s11082-017-1052-1 |
| format | Article |
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The final antenna gain is more than 11 dBi, which is useful for THz communication and THz medical imaging systems.</description><subject>Antenna gain</subject><subject>Antennas</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemical potential</subject><subject>Computer Communication Networks</subject><subject>Electrical Engineering</subject><subject>Graphene</subject><subject>Lasers</subject><subject>Medical imaging</subject><subject>Metamaterials</subject><subject>Optical Devices</subject><subject>Optics</subject><subject>Patch antennas</subject><subject>Photonics</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Resonant frequencies</subject><issn>0306-8919</issn><issn>1572-817X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp1kE1LAzEQQIMoWKs_wFvA82om2_3IsRS1QsFLBW9hNpndbulma5IiFX-8u9SDF08zh_dm4DF2C-IehCgeAoAoZSKgSEBkMoEzNoGskEkJxfs5m4hU5EmpQF2yqxC2Qoh8lokJ-567SM4hb7B1nNwGnaGOXOTVkR9C6xreUcQOI_kWd9yj7TviGPl6-cUrdJZ_tnHDPZne1W1z8FjtiJsNejSjE2JrwgAGsrx3vPG435AjvuvRXrOLGneBbn7nlL09Pa4Xy2T1-vyymK8Sk0IeE6RCmbQ2UlkJubHGKlODKWRZZgpnlcrLCgAyKWdVYYywlEpIy2HLbY41plN2d7q79_3HgULU2_7g3fBSgxISskwJGCg4Ucb3IXiq9d63HfqjBqHHyPoUWQ-R9RhZj448OWFgXUP-z-V_pR8VX4Fd</recordid><startdate>20170601</startdate><enddate>20170601</enddate><creator>Seyedsharbaty, Mir Mohsen</creator><creator>Sadeghzadeh, Ramazan Ali</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20170601</creationdate><title>Antenna gain enhancement by using metamaterial radome at THz band with reconfigurable characteristics based on graphene load</title><author>Seyedsharbaty, Mir Mohsen ; Sadeghzadeh, Ramazan Ali</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-ae79c3fc29d216cdcd9cf1c728859a4b968b1115224b7cc0de32138cc06d6afa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Antenna gain</topic><topic>Antennas</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemical potential</topic><topic>Computer Communication Networks</topic><topic>Electrical Engineering</topic><topic>Graphene</topic><topic>Lasers</topic><topic>Medical imaging</topic><topic>Metamaterials</topic><topic>Optical Devices</topic><topic>Optics</topic><topic>Patch antennas</topic><topic>Photonics</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Resonant frequencies</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Seyedsharbaty, Mir Mohsen</creatorcontrib><creatorcontrib>Sadeghzadeh, Ramazan Ali</creatorcontrib><collection>CrossRef</collection><jtitle>Optical and quantum electronics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Seyedsharbaty, Mir Mohsen</au><au>Sadeghzadeh, Ramazan Ali</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Antenna gain enhancement by using metamaterial radome at THz band with reconfigurable characteristics based on graphene load</atitle><jtitle>Optical and quantum electronics</jtitle><stitle>Opt Quant Electron</stitle><date>2017-06-01</date><risdate>2017</risdate><volume>49</volume><issue>6</issue><spage>1</spage><epage>13</epage><pages>1-13</pages><artnum>221</artnum><issn>0306-8919</issn><eissn>1572-817X</eissn><abstract>The reconfigurable concept of a graphene loaded patch antenna with increasing gain is proposed in this paper. We have developed the patch antenna with inset feed for THz band application for which graphene load is used to obtain the reconfigurable characteristic. It has been shown that by increasing the graphene chemical potential, the antenna resonant frequency shifted and the gain increased drastically up to 4 dBi. Additionally, we have shown that antenna efficiency is improved up to 78% which shows more than 100% of enhancement in comparison to basic antenna by increasing the graphene chemical potential. Finally, considering the antenna gain improvement, we have implemented the metamaterial layer over the antenna. In this case, the gain is increased more than 5–6 dBi. In addition, when we put the metamaterial layer over the antenna, the graphene layer shows more linear characteristics. By using parametric studies, we have defined the best point for metamaterial layer around 0.58λ. The final antenna gain is more than 11 dBi, which is useful for THz communication and THz medical imaging systems.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11082-017-1052-1</doi><tpages>13</tpages></addata></record> |
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| subjects | Antenna gain Antennas Characterization and Evaluation of Materials Chemical potential Computer Communication Networks Electrical Engineering Graphene Lasers Medical imaging Metamaterials Optical Devices Optics Patch antennas Photonics Physics Physics and Astronomy Resonant frequencies |
| title | Antenna gain enhancement by using metamaterial radome at THz band with reconfigurable characteristics based on graphene load |
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