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Fiber-Optic Magnetometry and Thermometry using Optically Detected Magnetic Resonance with Nitrogen—Vacancy Centers in Diamond
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Nitrogen—vacancy diamond (NVD) quantum sensors are an emerging technology that has shown great promise in areas like high-resolution thermometry and magnetometry. Optical fibers provide attractive new application paradigms for NVD technology. A detailed description of the fabrication processes associated with the development of novel fiber-optic NVD probes are presented in this work. The demonstrated probes are tested on paradigmatic model systems designed to ascertain their suitability for use in challenging biological environments. Methods employing optically detected magnetic resonance (ODMR) are used to accurately measure and map temperature distributions of small objects and to demonstrate emergent temperature-dependent phenomena in genetically modified living organisms. These methods are also used to create detailed high resolution spatial maps of both magnetic scalar and magnetic vector field distributions of spatially localized weak field features in the presence of a noisy, high-field background.
Blakley, Sean Michael (2017). Fiber-Optic Magnetometry and Thermometry using Optically Detected Magnetic Resonance with Nitrogen—Vacancy Centers in Diamond. Doctoral dissertation, Texas A & M University. Available electronically from