Magnetization of semiconductors with light and NMR in optical pumping in a transverse field
Zakharchenya V.P., Kompan M.E., Fleisher V.G.
A nuclear induction signal is obtained upon optical orientation of the spins in the crystal η -GaP0 35As0 65. The optical pumping was produced by a laser beam modulated in circular polarization at the frequency of the Larmor precession of the nuclei in a magnetic field perpendicular to the beam.