書誌事項
- タイトル別名
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- Ring Interferometric Magnetic Field Optical Sensor Using a Garnet Single Crystal
- ガーネットタンケッショウ オ モチイタ リング カンショウガタ ヒカリ ジカイ センサ
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A magnetic-field sensor based on reflection-ring interferometry is proposed to achieve a probing scheme with a polarization maintaining fiber (PMF). We used Tb0.19Y0.81Fe5O12 ((TbY)IG) crystals with a striped magnetic domain structure as a Faraday element to enable both parallel and perpendicular fields to the propagating direction of the optical wave to be measured. A linear magnetization curve without hysteresis and a linear Faraday effect were expected to be obtained as the magnetization process of rotation occurred in each striped magnetic domain. This assumption was confirmed in an experiment. Experimental results such as sensitivity and SNR were well explained by this model. The obtained sensor sensitivity was 1.08 × 10-3 %/(A/m), and good linearity of sensor output was obtained over a wide dynamic range between 1 A/m to 104 A/m.
収録刊行物
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- Journal of the Magnetics Society of Japan
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Journal of the Magnetics Society of Japan 34 (4), 537-542, 2010
公益社団法人 日本磁気学会
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詳細情報 詳細情報について
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- CRID
- 1390282680262168064
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- NII論文ID
- 130000309324
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- NII書誌ID
- AA12297999
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- ISSN
- 18822932
- 18822924
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- NDL書誌ID
- 10770674
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可