DRA gain enhancement using a planar metamaterial superstrate
This article analyzes the radiation principle of a slot‐coupled hemispherical dielectric resonator antenna (DRA) integrated with a single‐layer metamaterial (MTM) superstrate, investigating it both numerically and experimentally. It creates a compact high directive DRA incorporating MTM superstrate....
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| Veröffentlicht in: | International journal of RF and microwave computer-aided engineering 2018-09, Vol.28 (7), p.e21445-n/a |
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| container_issue | 7 |
| container_start_page | e21445 |
| container_title | International journal of RF and microwave computer-aided engineering |
| container_volume | 28 |
| creator | Panda, Asit K. Sahu, Sudhakar Mishra, Rabindra K. |
| description | This article analyzes the radiation principle of a slot‐coupled hemispherical dielectric resonator antenna (DRA) integrated with a single‐layer metamaterial (MTM) superstrate, investigating it both numerically and experimentally. It creates a compact high directive DRA incorporating MTM superstrate. The proposed MTM medium consists of broadside coupled planar E‐shaped resonator periodic unit cell exhibiting low loss and a low refractive index over a broad frequency band. Measurements on fabricated prototypes to verify numerical results from full‐wave simulations, and they show more than 6 dB increase in directivity of the DRA. |
| doi_str_mv | 10.1002/mmce.21445 |
| format | Article |
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It creates a compact high directive DRA incorporating MTM superstrate. The proposed MTM medium consists of broadside coupled planar E‐shaped resonator periodic unit cell exhibiting low loss and a low refractive index over a broad frequency band. 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Measurements on fabricated prototypes to verify numerical results from full‐wave simulations, and they show more than 6 dB increase in directivity of the DRA.</description><subject>Computer simulation</subject><subject>dielectric resonator antenna (DRA), directivity, double negative, focusing effect, left‐handed material, metamaterial, negative refractive index</subject><subject>Dielectrics</subject><subject>Metamaterials</subject><subject>Radio antennas</subject><subject>Refractivity</subject><subject>Resonators</subject><subject>Unit cell</subject><issn>1096-4290</issn><issn>1099-047X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp9kE1Lw0AQhhdRsFYv_oIFb0Lq7EeSXfAitX5AiyAK3pZ1M6kpyTbuJkj_vWnj2dPM8D4zAw8hlwxmDIDfNI3DGWdSpkdkwkDrBGT-cXzos0RyDafkLMYNwJBxMSG39693dG0rT9F_We-wQd_RPlZ-TS1ta-ttoA12trEdhsrWNPYthtiFYT4nJ6WtI1781Sl5f1i8zZ-S5cvj8_xumTgh8jQppFS6ZFoVTBQMS8UBhM6cUsDSXKWl0ilmulBZjs5iKaUUufvkViIUGVgxJVfj3TZsv3uMndls--CHl4YzYJxrnqmBuh4pF7YxBixNG6rGhp1hYPZ2zN6OOdgZYDbCP1WNu39Is1rNF-POL_KWZe0</recordid><startdate>201809</startdate><enddate>201809</enddate><creator>Panda, Asit K.</creator><creator>Sahu, Sudhakar</creator><creator>Mishra, Rabindra K.</creator><general>John Wiley & Sons, Inc</general><general>Hindawi Limited</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SC</scope><scope>7SP</scope><scope>8FD</scope><scope>JQ2</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><orcidid>https://orcid.org/0000-0002-6920-8892</orcidid></search><sort><creationdate>201809</creationdate><title>DRA gain enhancement using a planar metamaterial superstrate</title><author>Panda, Asit K. ; Sahu, Sudhakar ; Mishra, Rabindra K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3375-d4489f198d13d1ef8200396c88015785f895e69d867ecaef44437cb2a4e0d60a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Computer simulation</topic><topic>dielectric resonator antenna (DRA), directivity, double negative, focusing effect, left‐handed material, metamaterial, negative refractive index</topic><topic>Dielectrics</topic><topic>Metamaterials</topic><topic>Radio antennas</topic><topic>Refractivity</topic><topic>Resonators</topic><topic>Unit cell</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Panda, Asit K.</creatorcontrib><creatorcontrib>Sahu, Sudhakar</creatorcontrib><creatorcontrib>Mishra, Rabindra K.</creatorcontrib><collection>CrossRef</collection><collection>Computer and Information Systems Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><jtitle>International journal of RF and microwave computer-aided engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Panda, Asit K.</au><au>Sahu, Sudhakar</au><au>Mishra, Rabindra K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>DRA gain enhancement using a planar metamaterial superstrate</atitle><jtitle>International journal of RF and microwave computer-aided engineering</jtitle><date>2018-09</date><risdate>2018</risdate><volume>28</volume><issue>7</issue><spage>e21445</spage><epage>n/a</epage><pages>e21445-n/a</pages><issn>1096-4290</issn><eissn>1099-047X</eissn><abstract>This article analyzes the radiation principle of a slot‐coupled hemispherical dielectric resonator antenna (DRA) integrated with a single‐layer metamaterial (MTM) superstrate, investigating it both numerically and experimentally. 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| subjects | Computer simulation dielectric resonator antenna (DRA), directivity, double negative, focusing effect, left‐handed material, metamaterial, negative refractive index Dielectrics Metamaterials Radio antennas Refractivity Resonators Unit cell |
| title | DRA gain enhancement using a planar metamaterial superstrate |
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