書誌事項
- タイトル別名
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- Improvement of Sensitivity for a Compact Magnetometer using HTS-SQUID with Rotating Sample
- HTS-SQUID オ モチイタ サンプル カイテン ホウシキ コガタ ジカリツケイ ノ コウカンドカ
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We have improved previously developed compact magnetometer using HTS-SQUID with rotating sample. In the previous system, the attenuation of rotating speed had resulted to the deformation of the averaged waveform signal, reducing the reproducibility in measurements. In this paper, we have used a more superior motor in order to decrease the attenuation of the rotational speed for the precise averaging of the output signal and improving the signal-to-noise ratio. Moreover, to improve sensitivity, we optimized the pickup coil and compared the signal-to-noise ratio of the circular and elliptical pickup coils which having the same number of turns, resistance and inductance. As a result, the signal-to-noise ratio was improved with high accuracy and the magnetometer showed susceptibility sensitivity of 3.8×10-9 emu.
収録刊行物
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- 電気学会論文誌. A
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電気学会論文誌. A 134 (5), 347-351, 2014
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390001204599300736
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- NII論文ID
- 130004869368
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- NII書誌ID
- AN10136312
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- ISSN
- 13475533
- 03854205
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- NDL書誌ID
- 025534246
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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