Demonstration of Scattering Suppression by a Near-Zero-Index Metamaterial Composed of Dielectric Spheres
We demonstrate microwave scattering suppression by a near-zero-index metamaterial (NZIM) composed of dielectric spheres. The NZIM is designed based on numerical simulations, and is shown by near-field measurements that the medium with dielectric spheres of yttria-stabilized zirconia with the dielect...
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| Veröffentlicht in: | IEEE transactions on microwave theory and techniques 2018-09, Vol.66 (9), p.3921-3926 |
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| container_title | IEEE transactions on microwave theory and techniques |
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| creator | Takano, Yuma Sanada, Atsushi |
| description | We demonstrate microwave scattering suppression by a near-zero-index metamaterial (NZIM) composed of dielectric spheres. The NZIM is designed based on numerical simulations, and is shown by near-field measurements that the medium with dielectric spheres of yttria-stabilized zirconia with the dielectric constant 34 and the radius 1.5 mm arranged in a hexagonal lattice of the lattice constant 3.5 mm exhibits near-zero-index operations with a long wavelength of 22.51 GHz. It is also confirmed that the scattering by a defect of seven adjacent absent spheres is sufficiently suppressed by the NZIM. |
| doi_str_mv | 10.1109/TMTT.2018.2858822 |
| format | Article |
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The NZIM is designed based on numerical simulations, and is shown by near-field measurements that the medium with dielectric spheres of yttria-stabilized zirconia with the dielectric constant 34 and the radius 1.5 mm arranged in a hexagonal lattice of the lattice constant 3.5 mm exhibits near-zero-index operations with a long wavelength of 22.51 GHz. It is also confirmed that the scattering by a defect of seven adjacent absent spheres is sufficiently suppressed by the NZIM.</description><identifier>ISSN: 0018-9480</identifier><identifier>EISSN: 1557-9670</identifier><identifier>DOI: 10.1109/TMTT.2018.2858822</identifier><identifier>CODEN: IETMAB</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Computer simulation ; Dielectric spheres ; Dielectrics ; Hexagonal lattice ; invisibility cloaks ; Lattice parameters ; Lattices ; Metamaterials ; Microwave scattering ; Microwave theory and techniques ; Mie resonance ; near-zero-index metamaterials (NZIMs) ; Permeability ; Permittivity ; Resonant frequency ; Scattering ; scattering suppression ; Yttria-stabilized zirconia ; Yttrium oxide ; Zirconium dioxide</subject><ispartof>IEEE transactions on microwave theory and techniques, 2018-09, Vol.66 (9), p.3921-3926</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c359t-2be3f5b8796ee06a304d8d129edc7e01572f644072de37f8190664e0f1cab3c63</citedby><cites>FETCH-LOGICAL-c359t-2be3f5b8796ee06a304d8d129edc7e01572f644072de37f8190664e0f1cab3c63</cites><orcidid>0000-0002-1338-7895</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8430536$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8430536$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Takano, Yuma</creatorcontrib><creatorcontrib>Sanada, Atsushi</creatorcontrib><title>Demonstration of Scattering Suppression by a Near-Zero-Index Metamaterial Composed of Dielectric Spheres</title><title>IEEE transactions on microwave theory and techniques</title><addtitle>TMTT</addtitle><description>We demonstrate microwave scattering suppression by a near-zero-index metamaterial (NZIM) composed of dielectric spheres. The NZIM is designed based on numerical simulations, and is shown by near-field measurements that the medium with dielectric spheres of yttria-stabilized zirconia with the dielectric constant 34 and the radius 1.5 mm arranged in a hexagonal lattice of the lattice constant 3.5 mm exhibits near-zero-index operations with a long wavelength of 22.51 GHz. It is also confirmed that the scattering by a defect of seven adjacent absent spheres is sufficiently suppressed by the NZIM.</description><subject>Computer simulation</subject><subject>Dielectric spheres</subject><subject>Dielectrics</subject><subject>Hexagonal lattice</subject><subject>invisibility cloaks</subject><subject>Lattice parameters</subject><subject>Lattices</subject><subject>Metamaterials</subject><subject>Microwave scattering</subject><subject>Microwave theory and techniques</subject><subject>Mie resonance</subject><subject>near-zero-index metamaterials (NZIMs)</subject><subject>Permeability</subject><subject>Permittivity</subject><subject>Resonant frequency</subject><subject>Scattering</subject><subject>scattering suppression</subject><subject>Yttria-stabilized zirconia</subject><subject>Yttrium oxide</subject><subject>Zirconium dioxide</subject><issn>0018-9480</issn><issn>1557-9670</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1Lw0AQhhdRsFZ_gHhZ8Jw6-5Fk9yj1q9DqofHiJWw2E5vSZONuCvbfm9DiaRjmed-Bh5BbBjPGQD9kqyybcWBqxlWsFOdnZMLiOI10ksI5mcBwirRUcEmuQtgOq4xBTcjmCRvXht6bvnYtdRVdW9P36Ov2m673XecxhPFSHKih72h89IXeRYu2xF-6wt40ZqTNjs5d07mA5VjyVOMObe9rS9fdBoeSa3JRmV3Am9Ocks-X52z-Fi0_Xhfzx2VkRaz7iBcoqrhQqU4QITECZKlKxjWWNkVgccqrREpIeYkirRTTkCQSoWLWFMImYkruj72ddz97DH2-dXvfDi9zzgBAplzogWJHynoXgscq73zdGH_IGeSj0HwUmo9C85PQIXN3zNSI-M8rKSAWifgDnwJyeQ</recordid><startdate>20180901</startdate><enddate>20180901</enddate><creator>Takano, Yuma</creator><creator>Sanada, Atsushi</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-1338-7895</orcidid></search><sort><creationdate>20180901</creationdate><title>Demonstration of Scattering Suppression by a Near-Zero-Index Metamaterial Composed of Dielectric Spheres</title><author>Takano, Yuma ; Sanada, Atsushi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c359t-2be3f5b8796ee06a304d8d129edc7e01572f644072de37f8190664e0f1cab3c63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Computer simulation</topic><topic>Dielectric spheres</topic><topic>Dielectrics</topic><topic>Hexagonal lattice</topic><topic>invisibility cloaks</topic><topic>Lattice parameters</topic><topic>Lattices</topic><topic>Metamaterials</topic><topic>Microwave scattering</topic><topic>Microwave theory and techniques</topic><topic>Mie resonance</topic><topic>near-zero-index metamaterials (NZIMs)</topic><topic>Permeability</topic><topic>Permittivity</topic><topic>Resonant frequency</topic><topic>Scattering</topic><topic>scattering suppression</topic><topic>Yttria-stabilized zirconia</topic><topic>Yttrium oxide</topic><topic>Zirconium dioxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Takano, Yuma</creatorcontrib><creatorcontrib>Sanada, Atsushi</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>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE transactions on microwave theory and techniques</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Takano, Yuma</au><au>Sanada, Atsushi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Demonstration of Scattering Suppression by a Near-Zero-Index Metamaterial Composed of Dielectric Spheres</atitle><jtitle>IEEE transactions on microwave theory and techniques</jtitle><stitle>TMTT</stitle><date>2018-09-01</date><risdate>2018</risdate><volume>66</volume><issue>9</issue><spage>3921</spage><epage>3926</epage><pages>3921-3926</pages><issn>0018-9480</issn><eissn>1557-9670</eissn><coden>IETMAB</coden><abstract>We demonstrate microwave scattering suppression by a near-zero-index metamaterial (NZIM) composed of dielectric spheres. The NZIM is designed based on numerical simulations, and is shown by near-field measurements that the medium with dielectric spheres of yttria-stabilized zirconia with the dielectric constant 34 and the radius 1.5 mm arranged in a hexagonal lattice of the lattice constant 3.5 mm exhibits near-zero-index operations with a long wavelength of 22.51 GHz. It is also confirmed that the scattering by a defect of seven adjacent absent spheres is sufficiently suppressed by the NZIM.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TMTT.2018.2858822</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-1338-7895</orcidid></addata></record> |
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| ispartof | IEEE transactions on microwave theory and techniques, 2018-09, Vol.66 (9), p.3921-3926 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Computer simulation Dielectric spheres Dielectrics Hexagonal lattice invisibility cloaks Lattice parameters Lattices Metamaterials Microwave scattering Microwave theory and techniques Mie resonance near-zero-index metamaterials (NZIMs) Permeability Permittivity Resonant frequency Scattering scattering suppression Yttria-stabilized zirconia Yttrium oxide Zirconium dioxide |
| title | Demonstration of Scattering Suppression by a Near-Zero-Index Metamaterial Composed of Dielectric Spheres |
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