2009/06/30 by Giuseppe Bevilacqua, G. Bevilacqua, Valerio Biancalana +4
Medicine · Physics and Astronomy · #Adiabatic process #Advanced MRI Techniques and Applications #Atomic and Subatomic Physics Research #Atomic physics #Computer science #Condensed matter physics #Larmor precession #Magnetic field #Magnetometer #Materials science #Nuclear magnetic resonance #Nuclear physics #Optics #Physics #Proton #Quantum optics and atomic interactions #Rotation (mathematics) #SIGNAL (programming language) #Spins #physics.atom-ph #physics.ins-det
paper · pdf · doi:10.1016/j.jmr.2009.09.013
14 pages, 9 figures
arxiv created 2009/09/08 · openalex publication_date 2009/09/23 · arxiv updated 2015/05/13 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
An all-optical atomic magnetometer is used to detect a proton free-precession signal from a water sample polarized in a 0.7 T field and remotely analyzed in a 4 μT field. Nuclear spins are manipulated either by π/2 pulses or by non-adiabatic rotation. The magnetometer operates at room temperature, in an unshielded environment and has a dual-channel sensor for differential measurements.