Abstract
We have used a method called Charge State Depletion (CSD) microscopy with Nitrogen-Vacancy (NV) centers in diamond to perform fluorescence microscopy beyond the diffraction limit. Combined with Optically Detected Magnetic Resonance (ODMR) measurements on NV centers in a layer near the diamond surface, this enables super-resolution magnetic microscopy of ~30 nm ferromagnetic nanoparticles.
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