Pump-probe spectroscopy of atoms cooled in a 3D lin⊥lin optical lattice F.-R. Carminati, M. Schiavoni, Y. Todorov, F. Renzoni and G. Grynberg Eur. Phys. J. D, 22 3 (2003) 311-317 Published online: 12 November 2002 DOI: 10.1140/epjd/e2002-00228-6