Spin Polarization of Atoms by Laser Driven Two Photon and Excimer Transitions
Spin polarization of atoms by one-photon optical pumping has been an important tool ever since its discovery by Brossel and Kastler  and by Hawkins and Dicke . In some situations the use of two-photon optical pumping to produce spin polarization would be advantageous. For exampl, one might use two-photon optical pumping with wavelengths between 2000 Å and 3000 Å to spin polarize Xe129, Xe131, Kr83 and other noble gases for which direct one-photon optical pumping of the ground state necessitates the use of vacuum ultraviolet photons. The localization of the spin polarization produced by nonlinear two-photon pumping near the focus of the pumping beam would have important advantages for remote sensing applications.
KeywordsSpin Polarization Rubidium Atom Internuclear Separation Spin Signal Laser Drive
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- 1.J. Brossel and A. Kastler, Compt. Rend. 229, 1213 (1949).Google Scholar