$({NV}^{-})$ color centers exhibit magnetic field detection effect. They have shown high sensitivity, calibration-free nature, easy readout, and operability at room temperature. This article presents an approach to rapidly induce magnetic fields based on the

${NV}^{-}$

color centers ensemble without microwave. We demonstrated the magnetic-field-dependent photoluminescence (PL) of the

${NV}^{-}$

color centers ensemble quantum system and applied it wide-field imaging. By expanding the magnetic dipole model, we achieved rapid 3-D tracking imaging technology of micro-sized magnetic target. Results show the

${NV}^{-}$

color centers ensemble’s high dynamic sensing capabilities for magnetic fields, providing a wide field of view (

$3000\times3000\,\,\mu \text{m}$

) with a time resolution of 5 ms and a magnetic detection sensitivity of

$0.5~\mu \text{T}/\surd $

Hz. Furthermore, it eliminated the influence of microwaves and reduced the experimental equipment requirements. These findings offer a direction for rapid tracking the magnetic target based on

${NV}^{-}$

color centers ensemble.">

Three-Dimensional Motion Tracking of High-Speed Magnetic Targets Using Microwave-Free Quantum Imaging Technology (original) (raw)

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