JP2010161533A - 不可視包囲体 - Google Patents
不可視包囲体 Download PDFInfo
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- JP2010161533A JP2010161533A JP2009001388A JP2009001388A JP2010161533A JP 2010161533 A JP2010161533 A JP 2010161533A JP 2009001388 A JP2009001388 A JP 2009001388A JP 2009001388 A JP2009001388 A JP 2009001388A JP 2010161533 A JP2010161533 A JP 2010161533A
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Abstract
金属を使用しないメタマテリアルによって不可視包囲体を構成し、共振周波数近傍における金属損失をなくして低損失の不可視包囲体を提供する。
【解決手段】
メタマテリアルからなり、内部に空洞部を備えた円筒状の包囲体1であって、前記メタマテリアルは、板状の誘電体ディスク共振器をその平坦面の法線方向が前記包囲体の円筒の半径方向を向くように多数配置したものであり、さらに、前記メタマテリアルは、前記誘電体ディスク共振器の厚さを前記包囲体の円筒の半径に応じて変更して、前記メタマテリアルの半径方向の実効比透磁率が、前記包囲体の最内周で0となり、最外周で1より小さい所定値となるように、前記包囲体の円筒の半径に応じて順次増加する値としたものである。そして、前記空洞部に存在する物体および前記包囲体自体を特定の周波数範囲の電磁波に対してほぼ不可視とする。
【選択図】図10
Description
2 誘電体ディスク共振器
Claims (4)
- メタマテリアルからなり、内部に空洞部を備えた円筒状の包囲体(1)であって、
前記メタマテリアルは、板状の誘電体ディスク共振器(2)をその平坦面の法線方向が前記包囲体(1)の円筒の半径方向を向くように多数配置したものであり、
さらに、前記メタマテリアルは、前記誘電体ディスク共振器(2)の厚さを前記包囲体(1)の円筒の半径に応じて変更して、前記メタマテリアルの半径方向の実効比透磁率が、前記包囲体(1)の最内周で0となり、最外周で1より小さい所定値となるように、前記包囲体(1)の円筒の半径に応じて順次増加する値としたものであり、
前記空洞部に存在する物体および前記包囲体(1)自体を特定の周波数範囲の電磁波に対してほぼ不可視とする不可視包囲体。 - 請求項1に記載した不可視包囲体であって、
前記誘電体ディスク共振器(2)は、直径に比べて厚さが小さい円柱形状のものである不可視包囲体。 - 請求項2に記載した不可視包囲体であって、
前記誘電体ディスク共振器(2)は、誘電体の比誘電率が20以上のものである不可視包囲体。 - 請求項2,3のいずれか1項に記載した不可視包囲体であって、
前記誘電体ディスク共振器(2)は、円柱形状の厚さhと直径Dとの比h/Dが0.5より小さいものである不可視包囲体。
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JP2009001388A JP5224529B2 (ja) | 2009-01-07 | 2009-01-07 | 不可視包囲体 |
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JP2009001388A JP5224529B2 (ja) | 2009-01-07 | 2009-01-07 | 不可視包囲体 |
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JP2010161533A true JP2010161533A (ja) | 2010-07-22 |
JP5224529B2 JP5224529B2 (ja) | 2013-07-03 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102476458A (zh) * | 2011-04-29 | 2012-05-30 | 深圳光启高等理工研究院 | 一种超材料制备方法 |
CN103296368A (zh) * | 2012-03-01 | 2013-09-11 | 深圳光启创新技术有限公司 | 一种谐振子及具有该谐振子的滤波器 |
CN108539355A (zh) * | 2018-06-12 | 2018-09-14 | 南京林业大学 | 一种基于金属纳米介质柱的多频率谐振腔 |
JP2020072429A (ja) * | 2018-11-01 | 2020-05-07 | 横浜ゴム株式会社 | 電磁波クローキング構造体 |
CN113258300A (zh) * | 2021-04-20 | 2021-08-13 | 太原理工大学 | 一种全角度电磁波隐形结构 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008023517A (ja) * | 2006-07-25 | 2008-02-07 | Imperial Innovations Ltd | 電磁気クローキング方法 |
US20080165442A1 (en) * | 2006-11-08 | 2008-07-10 | Wenshan Cai | System, method and apparatus for cloaking |
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2009
- 2009-01-07 JP JP2009001388A patent/JP5224529B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008023517A (ja) * | 2006-07-25 | 2008-02-07 | Imperial Innovations Ltd | 電磁気クローキング方法 |
US20080165442A1 (en) * | 2006-11-08 | 2008-07-10 | Wenshan Cai | System, method and apparatus for cloaking |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102476458A (zh) * | 2011-04-29 | 2012-05-30 | 深圳光启高等理工研究院 | 一种超材料制备方法 |
CN103296368A (zh) * | 2012-03-01 | 2013-09-11 | 深圳光启创新技术有限公司 | 一种谐振子及具有该谐振子的滤波器 |
CN103296368B (zh) * | 2012-03-01 | 2017-05-24 | 深圳光启创新技术有限公司 | 一种谐振子及具有该谐振子的滤波器 |
CN108539355A (zh) * | 2018-06-12 | 2018-09-14 | 南京林业大学 | 一种基于金属纳米介质柱的多频率谐振腔 |
JP2020072429A (ja) * | 2018-11-01 | 2020-05-07 | 横浜ゴム株式会社 | 電磁波クローキング構造体 |
JP7234583B2 (ja) | 2018-11-01 | 2023-03-08 | 横浜ゴム株式会社 | 電磁波クローキング構造体 |
CN113258300A (zh) * | 2021-04-20 | 2021-08-13 | 太原理工大学 | 一种全角度电磁波隐形结构 |
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