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Super-resolution diamond magnetic microscopy of superparamagnetic nanoparticles
Nazanin Mosavian, Forrest Hubert, Janis Smits +4
Scanning-probe and wide-field magnetic microscopes based on Nitrogen-Vacancy (NV) centers in diamond have enabled remarkable advances in the study of biology and materials, but eac…
Imaging crystal stress in diamond using ensembles of nitrogen-vacancy centers
P. Kehayias, M. J. Turner, R. Trubko +5
We present a micrometer-resolution millimeter-field-of-view stress imaging method for diamonds containing a thin surface layer of nitrogen vacancy (NV) centers. In this method, we…
Fourier optical processing enables new capabilities in diamond magnetic imaging
Mikael P. Backlund, Pauli Kehayias, Ronald L. Walsworth
Diamond-based magnetic field sensors have attracted great interest in recent years. In particular, wide-field magnetic imaging using nitrogen-vacancy (NV) centers in diamond has be…
Microwave saturation spectroscopy of nitrogen-vacancy ensembles in diamond
P. Kehayias, M. Mrózek, V. M. Acosta +5
Negatively-charged nitrogen-vacancy (NV) centers in diamond have generated much recent interest for their use in sensing. The sensitivity improves when the NV ground-state micr…
Magnetometry with nitrogen-vacancy ensembles in diamond based on infrared absorption in a doubly resonant optical cavity
Yannick Dumeige, Mayeul Chipaux, Vincent Jacques +8
We propose to use an optical cavity to enhance the sensitivity of magnetometers relying on the detection of the spin state of high-density nitrogen-vacancy ensembles in diamond usi…