JP5624287B2 - 磁気センサ - Google Patents
磁気センサ Download PDFInfo
- Publication number
- JP5624287B2 JP5624287B2 JP2009136780A JP2009136780A JP5624287B2 JP 5624287 B2 JP5624287 B2 JP 5624287B2 JP 2009136780 A JP2009136780 A JP 2009136780A JP 2009136780 A JP2009136780 A JP 2009136780A JP 5624287 B2 JP5624287 B2 JP 5624287B2
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- JP
- Japan
- Prior art keywords
- magnetic field
- noble metal
- thin film
- metal thin
- magneto
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Measuring Magnetic Variables (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Description
12,23;光照射部、12−1;ガラスプリズム、
12−2;貴金属薄膜、13;光検出器、14;電磁石、
15;回転ステージ、21;ガラス基板、22;屈折率調整オイル、
31;液体セル、32;液体入口、33;液体出口、
34;偏光子、35;ファラデーセル、36;検光子、
40;光スイッチ、41;磁界印加部、51;微小構造体。
Claims (3)
- 少なくとも、光源、偏光子、貴金属薄膜層が反射面に形成された透明光学部材、磁場印加機構及び光検出器を有し、
前記光源から出射された光が前記透明光学部材の入射面を介して前記貴金属薄膜層に入射したときに前記貴金属薄膜層で発生する表面プラズモン共鳴にて入射光の反射率が減少する条件で、前記磁場印加機構によって印加される磁場により前記貴金属薄膜層の一部に磁性を保持する微小物体が付着することにより発生磁界と比例関係となる前記光検出器の出力である磁気光学信号の変化をもとに磁界を換算することを特徴とする磁気センサ。 - 前記貴金属薄膜層は、複数の微小構造体で構成することを特徴とする請求項1記載の磁気センサ。
- 前記貴金属薄膜層の材料は、Au、Ag、Cu、Alもしくはこれらの合金であることを特徴とする請求項1又は2に記載の磁気センサ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009136780A JP5624287B2 (ja) | 2009-06-08 | 2009-06-08 | 磁気センサ |
Applications Claiming Priority (1)
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---|---|---|---|
JP2009136780A JP5624287B2 (ja) | 2009-06-08 | 2009-06-08 | 磁気センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010281756A JP2010281756A (ja) | 2010-12-16 |
JP5624287B2 true JP5624287B2 (ja) | 2014-11-12 |
Family
ID=43538613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2009136780A Expired - Fee Related JP5624287B2 (ja) | 2009-06-08 | 2009-06-08 | 磁気センサ |
Country Status (1)
Country | Link |
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JP (1) | JP5624287B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104991206B (zh) * | 2015-05-05 | 2018-03-30 | 东北大学 | 一种基于表面等离子体共振技术的磁场测量方法 |
RU173144U1 (ru) * | 2016-12-05 | 2017-08-14 | Федеральное государственное автономное образовательное учреждение высшего образования "Крымский федеральный университет имени В.И. Вернадского" | Магнитоплазмонный сенсор |
CN107807338B (zh) * | 2017-12-04 | 2023-08-04 | 沈阳建筑大学 | 基于光子晶体光纤和光栅的磁场传感器及测量方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3895076B2 (ja) * | 1999-09-01 | 2007-03-22 | シャープ株式会社 | 光学装置 |
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2009
- 2009-06-08 JP JP2009136780A patent/JP5624287B2/ja not_active Expired - Fee Related
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JP2010281756A (ja) | 2010-12-16 |
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