Temperature-robust diamond magnetometry based on the double-transition method
At a Glance
Section titled “At a Glance”| Metadata | Details |
|---|---|
| Publication Date | 2023-01-01 |
| Journal | JUSTC |
| Authors | Caijin Xie, Yunbin Zhu, Yijin Xie, Tingwei Li, Wenzhe Zhang |
Abstract
Section titled “Abstract”As a promising solid-state sensor at room temperature, diamond magnetometers based on nitrogen-vacancy (NV) centers have been developed tremendously in recent years. Many studies have demonstrated its potential for achieving high spatial resolution and sensitivity. However, the temperature dependence of the zero-field splitting <i>D</i> of NV centers poses an enormous challenge for the application of diamond magnetometry, since it is difficult to avoid temperature drift in most application scenarios. Here, we demonstrate a type of temperature-robust diamond magnetometry based on the double-transition method. By utilizing both transitions between <inline-formula><tex-math id=“M2”>\begin{document}$|m_{\rm{s}}=0\rangle$\end{document}</tex-math><alternatives><graphic xmlns:xlink=“http://www.w3.org/1999/xlink” xlink:href=“JUSTC-2022-0150_M2.jpg”/><graphic xmlns:xlink=“http://www.w3.org/1999/xlink” xlink:href=“JUSTC-2022-0150_M2.png”/></alternatives></inline-formula> and <inline-formula><tex-math id=“M3”>\begin{document}$|m_{\rm{s}}=\pm1\rangle$\end{document}</tex-math><alternatives><graphic xmlns:xlink=“http://www.w3.org/1999/xlink” xlink:href=“JUSTC-2022-0150_M3.jpg”/><graphic xmlns:xlink=“http://www.w3.org/1999/xlink” xlink:href=“JUSTC-2022-0150_M3.png”/></alternatives></inline-formula> sublevels with incomplete degeneracy of the <inline-formula><tex-math id=“M4”>\begin{document}$|m_{\rm{s}}=\pm1\rangle$\end{document}</tex-math><alternatives><graphic xmlns:xlink=“http://www.w3.org/1999/xlink” xlink:href=“JUSTC-2022-0150_M4.jpg”/><graphic xmlns:xlink=“http://www.w3.org/1999/xlink” xlink:href=“JUSTC-2022-0150_M4.png”/></alternatives></inline-formula>states, the impacts of <i>D</i> variations induced by temperature drift can be counteracted. The drift of magnetic field measurement result has been reduced by approximately 7-fold. With further improvements, the temperature-robust diamond magnetometry has the potential to be applied in biomagnetism and space science research.