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Spin coherence mapping of NV centers in diamond

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posted on 2023-01-12, 16:14 authored by Lucas Nunes Sales de Andrade, Charlie Oncebay Segura, Sérgio Ricardo Muniz
In recent years, nitrogen-vacancy (NV) color centers in diamond have become excellent solid-state quantum sensors due to their electronic spin properties. Especially for their easy optical initialization and detection, together with their very large spin coherence at room temperature. Many studies have reported their use for sensing temperature, strain, electric fields, and mainly magnetic fields. Here, we show how to build a two-dimensional map of the electronic spin coherence of an ensemble of NV centers in ultra-pure diamond, using an optical imaging protocol combined with microwave pulses relying simply on a regular CCD camera.



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