Nair, Sarath RamanSarath RamanNairHahl, Felix A.Felix A.HahlGreentree, Andrew D.Andrew D.GreentreeJeske, JanJanJeskeVolz, ThomasThomasVolz2025-05-202025-05-202025https://publica.fraunhofer.de/handle/publica/48770310.1016/B978-0-443-13717-4.00012-8Laser threshold magnetometry using nitrogen-vacancy spins is an emerging high-sensitivity room-temperature and solid-state system-based magnetic field sensing method. In this chapter, we give an overview of the progress in this field.enDiamondLasermagnetometerbook article