Stokes K D, Schnurr C, Gardner J, Marable M, Shaw S, Goforth M, Holmgren D E, Thomas J E
Opt Lett. 1989 Dec 1;14(23):1324-6. doi: 10.1364/ol.14.001324.
Doppler frequently shifts for a laser field interacting with a diverging supersonic atomic beam are canceled using spatially varying Zeeman shifts. Dense atomic beams with long interaction path lengths and narrow linewidths are obtained for spectroscopic and nonlinear-optics applications.