title: Simultaneous line center and linewidth measurement using dual frequency modulation spectroscopy.
authors.affiliation: MIT–Harvard Center for Ultracold Atoms, Research Laboratory of Electronics, and Department of Physics, Massachusetts Institute of Technology, Cambridge Massachusetts 02139, USA.
authors.forename: Jonathon I
authors.initials: JI
authors.lastname: Gillen
authors.forename: David H
authors.initials: DH
authors.lastname: McIntyre