Metamaterial electromagnetic energy harvester with near unity efficiency
We present the design of a metamaterial medium for electromagnetic energy harvesting based on the full absorption concept. A metamaterial slab was designed comprising 13 × 13 electrically small cells, each loaded with an 82 Ω resistor which mimics the input impedance of a rectification circuitry. Un...
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| Veröffentlicht in: | Applied physics letters 2015-04, Vol.106 (15) |
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| container_title | Applied physics letters |
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| creator | Almoneef, Thamer S. Ramahi, Omar M. |
| description | We present the design of a metamaterial medium for electromagnetic energy harvesting based on the full absorption concept. A metamaterial slab was designed comprising 13 × 13 electrically small cells, each loaded with an 82 Ω resistor which mimics the input impedance of a rectification circuitry. Unlike earlier designs of metamaterial absorbers, here the power absorption is mostly dissipated across a resistive load instead of the dielectric substrate. This implies that effective electromagnetic energy harvesting can be achieved. The power is channeled through a via connected to each cell. For a design optimized at 3 GHz, simulation and experimental results show power absorption efficiency of 97% and 93%, respectively. |
| doi_str_mv | 10.1063/1.4916232 |
| format | Article |
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A metamaterial slab was designed comprising 13 × 13 electrically small cells, each loaded with an 82 Ω resistor which mimics the input impedance of a rectification circuitry. Unlike earlier designs of metamaterial absorbers, here the power absorption is mostly dissipated across a resistive load instead of the dielectric substrate. This implies that effective electromagnetic energy harvesting can be achieved. The power is channeled through a via connected to each cell. For a design optimized at 3 GHz, simulation and experimental results show power absorption efficiency of 97% and 93%, respectively.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.4916232</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Absorption ; Applied physics ; Circuits ; Design ; Design optimization ; Energy dissipation ; Energy harvesting ; Input impedance ; Metamaterials ; Power efficiency ; Substrates</subject><ispartof>Applied physics letters, 2015-04, Vol.106 (15)</ispartof><rights>2015 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c257t-f927f8fe96e52c4270c979c9f73ce6b701443e6d4cc1fd4a7b29e08dbe7fdadb3</citedby><cites>FETCH-LOGICAL-c257t-f927f8fe96e52c4270c979c9f73ce6b701443e6d4cc1fd4a7b29e08dbe7fdadb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27922,27923</link.rule.ids></links><search><creatorcontrib>Almoneef, Thamer S.</creatorcontrib><creatorcontrib>Ramahi, Omar M.</creatorcontrib><title>Metamaterial electromagnetic energy harvester with near unity efficiency</title><title>Applied physics letters</title><description>We present the design of a metamaterial medium for electromagnetic energy harvesting based on the full absorption concept. A metamaterial slab was designed comprising 13 × 13 electrically small cells, each loaded with an 82 Ω resistor which mimics the input impedance of a rectification circuitry. Unlike earlier designs of metamaterial absorbers, here the power absorption is mostly dissipated across a resistive load instead of the dielectric substrate. This implies that effective electromagnetic energy harvesting can be achieved. The power is channeled through a via connected to each cell. For a design optimized at 3 GHz, simulation and experimental results show power absorption efficiency of 97% and 93%, respectively.</description><subject>Absorption</subject><subject>Applied physics</subject><subject>Circuits</subject><subject>Design</subject><subject>Design optimization</subject><subject>Energy dissipation</subject><subject>Energy harvesting</subject><subject>Input impedance</subject><subject>Metamaterials</subject><subject>Power efficiency</subject><subject>Substrates</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNotkEFLAzEUhIMoWKsH_0HAk4eteUk22RylaCtUvOg5ZLMvbUq7W7Opsv_elfY0DHzMDEPIPbAZMCWeYCYNKC74BZkA07oQANUlmTDGRKFMCdfkpu-3oy25EBOyfMfs9i5jim5HcYc-p27v1i3m6Cm2mNYD3bj0g_3I0N-YN7RFl-ixjXmgGEL0EVs_3JKr4HY93p11Sr5eXz7ny2L1sXibP68Kz0udi2C4DlVAo7DkXnLNvNHGm6CFR1VrBlIKVI30HkIjna65QVY1NerQuKYWU_Jwyj2k7vs4rrLb7pjasdJy4LLipVR6pB5PlE9d3ycM9pDi3qXBArP_R1mw56PEH5X6W5A</recordid><startdate>20150413</startdate><enddate>20150413</enddate><creator>Almoneef, Thamer S.</creator><creator>Ramahi, Omar M.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20150413</creationdate><title>Metamaterial electromagnetic energy harvester with near unity efficiency</title><author>Almoneef, Thamer S. ; Ramahi, Omar M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c257t-f927f8fe96e52c4270c979c9f73ce6b701443e6d4cc1fd4a7b29e08dbe7fdadb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Absorption</topic><topic>Applied physics</topic><topic>Circuits</topic><topic>Design</topic><topic>Design optimization</topic><topic>Energy dissipation</topic><topic>Energy harvesting</topic><topic>Input impedance</topic><topic>Metamaterials</topic><topic>Power efficiency</topic><topic>Substrates</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Almoneef, Thamer S.</creatorcontrib><creatorcontrib>Ramahi, Omar M.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Almoneef, Thamer S.</au><au>Ramahi, Omar M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Metamaterial electromagnetic energy harvester with near unity efficiency</atitle><jtitle>Applied physics letters</jtitle><date>2015-04-13</date><risdate>2015</risdate><volume>106</volume><issue>15</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><abstract>We present the design of a metamaterial medium for electromagnetic energy harvesting based on the full absorption concept. A metamaterial slab was designed comprising 13 × 13 electrically small cells, each loaded with an 82 Ω resistor which mimics the input impedance of a rectification circuitry. Unlike earlier designs of metamaterial absorbers, here the power absorption is mostly dissipated across a resistive load instead of the dielectric substrate. This implies that effective electromagnetic energy harvesting can be achieved. The power is channeled through a via connected to each cell. For a design optimized at 3 GHz, simulation and experimental results show power absorption efficiency of 97% and 93%, respectively.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4916232</doi></addata></record> |
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| identifier | ISSN: 0003-6951 |
| ispartof | Applied physics letters, 2015-04, Vol.106 (15) |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Absorption Applied physics Circuits Design Design optimization Energy dissipation Energy harvesting Input impedance Metamaterials Power efficiency Substrates |
| title | Metamaterial electromagnetic energy harvester with near unity efficiency |
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