Diamond-based optical vector magnetometer

• URL: http://arxiv.org/abs/2209.05514v1
• Date: Mon, 12 Sep 2022 18:04:27 GMT
• Title: Diamond-based optical vector magnetometer
• Authors: Charlie Oncebay Segura and S\'ergio Ricardo Muniz
• Abstract summary: We describe a high-resolution optical magnetometer to measure the full vector magnetic field on an ultrathin layer near the surface of the device. This solid-state device is based on quantum sensors created by a layer of nitrogen-vacancy centers less than 20 nm below the surface of an ultrapure diamond.
• Score: 0.0
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: We describe here the construction and characterization of a high-resolution optical magnetometer to measure the full vector magnetic field on an ultrathin layer near the surface of the device. This solid-state device is based on quantum sensors created by a layer of nitrogen-vacancy (NV) centers less than 20 nm below the surface of an ultrapure diamond. This ensemble of nanosensors provides a versatile device capable of mapping magnetic fields and surface current densities with a sub-micrometer resolution and high sensitivity, making it suitable for many applications. Here, we show a custom-built prototype to demonstrate an operating proof-of-concept device.

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