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We report the use of an atomic magnetometer based on nonlinearmagneto-optical rotation with frequency modulated light (FM NMOR) to detectnuclear magnetization of xenon gas. The magnetization of aspin-exchange-polarized xenon sample ($1.7 $cm$^3$ at a pressure of $5 $bar,natural isotopic abundance, polarization 1%), prepared remotely to thedetection apparatus, is measured with an atomic sensor (which is insensitive tothe leading field of 0.45 G applied to the sample; an independent bias field atthe sensor is $140 \mu$G). An average magnetic field of $\sim 10 $nG induced bythe xenon sample on the 10-cm diameter atomic sensor is detected withsignal-to-noise ratio $\sim 10$, limited by residual noise in the magneticenvironment. The possibility of using modern atomic magnetometers as detectorsof nuclear magnetic resonance and in magnetic resonance imaging is discussed.Atomic magnetometers appear to be ideally suited for emerging low-field andremote-detection magnetic resonance applications.Comment: 4 pages, 4 figure

Hyperpolarized Xenon Nuclear Spins Detected by Optical Atomic Magnetometry