Infrared frequency combs and supercontinua for multiplex high sensitivity spectroscopy J. Mandon, E. Sorokin, I. T. Sorokina, G. Guelachvili and N. Picqué Ann. Phys. Fr., 32 2-3 (2007) 199-202 Published online: 23 May 2008 DOI: 10.1051/anphys:2008042