Optical Pumping of Cs133 Vapor by Injection-Laser Radiation
Bykovskii Yu.A., Velichanskii V.L., Egorov V.K., Irshinskii A.L., Makovkin A.V., Maslov V.A.
A frequency-stabilized semiconductor laser was used to produce inversion between the sublevels of the ground state of Cs133.