Optical Second-Harmonic Generation in Gases: "Rotation" of Quadrupole Moment in Magnetic Field
- 18 April 1977
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 38 (16), 894-898
- https://doi.org/10.1103/PhysRevLett.38.894
Abstract
We report optical second-harmonic generation in gases in a transverse dc magnetic field. An electric quadrupole moment of sodium or calcium vapor is induced by a two photon transition. The effect of the magnetic field is to transform the wave function within both the ground and the excited magnetic sublevels, and to make a new component of the quadrupole moment which can generate a collinear second harmonic. Transverse magnetization is not important in the present case.Keywords
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