This experiment aims to utilize nitrogen-vacancy (NV) centers in diamond for magnetic field sensing. NV centers, fluorescent lattice defects in diamond, exhibit versatile optical properties, making them valuable for various applications. By manipulating electron populations within the NV center's energy levels, particularly through microwave signals, fluorescence intensity can be controlled. Optically detected magnetic resonance (ODMR) spectra reveal fluorescence reduction near spin resonance frequencies, indicative of electron transfer to dark states. Through precise measurements of ODMR spectra, this experiment aims to demonstrate the efficacy of NV centers as sensitive magnetic field sensors, offering insights into their potential applications in magnetometry.
Further content and detailed descriptions are available to enrolled students via the course's page at the Moodle website of the Friedrich Schiller University Jena.