氮空位纳米磁场传感的生物相容技术
Biocompatible technique for nanoscale magnetic field sensing with Nitrogen-Vacancy centers
摘要：
利用钻石中的氮空位中心以前所未有的灵敏度测量纳米级磁场的可能性是量子传感最重要的成就之一。在这里，我们提出了一个创新的实验设置，显示出所实现的灵敏度相媲美的最先进的ODMR协议，如果考虑到感测体积。该装置允许在诸如个体细胞的生物样品中进行磁性感测，因为其特征在于小的感测体积和完全的生物相容性。在不同的光功率的灵敏度进行了研究，将这种技术扩展到细胞间的尺度。
英文摘要：
The possibility of using Nitrogen-vacancy centers in diamonds to measure nanoscale magnetic fields with unprecedented sensitivity is one of the most significant achievements of quantum sensing. Here we present an innovative experimental set-up, showing an achieved sensitivity comparable to the state of the art ODMR protocols if the sensing volume is taken into account. The apparatus allows magnetic sensing in biological samples such as individual cells, as it is characterized by a small sensing volume and full bio-compatibility. The sensitivity at different optical powers is studied to extend this technique to the intercellular scale.
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