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Simultaneous amplitude and phase imaging of AC magnetic signal on wide field setup
https://repo.qst.go.jp/records/79550
https://repo.qst.go.jp/records/79550593e5de5-eeeb-432e-ac0e-e759aed16644
Item type | 会議発表用資料 / Presentation(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2020-03-18 | |||||
タイトル | ||||||
タイトル | Simultaneous amplitude and phase imaging of AC magnetic signal on wide field setup | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_c94f | |||||
資源タイプ | conference object | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Mizuno, Kosuke
× Mizuno, Kosuke× Ishiwata, Hitoshi× Masuyama, Yuta× Iwasaki, Takayuki× Hatano, Mutsuko× Masuyama, Yuta× Hatano, Mutsuko |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The nitrogen-vacancy center in diamond is an exquisite solid-state sensor based upon quantum nature. Numerous studies have shown that dynamical decoupling, such as an XY8 sequence, provides us a high sensitivity for an oscillating magnetic field parametrized by amplitude and phase. However, there are some drawbacks. (1) A measurement using XY8 requires a careful adjustment of timings between XY8 sequences and the target signal. (2) The XY8 has an intricate dependence on both parameters, so it is not applicable in a situation that both parameters simultaneously change. (3) It is impossible to measure both parameters simultaneous, and they have to be measured severally. In this study, we present that Qdyne1-3, a quantum-classical hybrid protocol, solves them, consisted of sequential and stroboscopic measurements. The Qdyne does not require a timing adjustment before itself, has an intuitive dependency on both parameters, and let us a simultaneous measurement of both amplitude and phase. Moreover, we implemented it on a widefield of view. The large observation area of widefield modality and the high spatial resolution of NV center pave the way for a tiny-scale inspection by Eddy-current, which established sensors cannot detect. | |||||
会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The 2nd International Forum on Quantum Metrology and Sensing への出席 | |||||
発表年月日 | ||||||
日付 | 2019-12-17 | |||||
日付タイプ | Issued |