Cavity enhanced absorption spectroscopy of multiple trace gas species using a supercontinuum radiation source Langridge, J. M. ; Laurila, T. ; Watt, R. S. ; Jones, R. L. ; Kaminski, C. F. ; Hult, J. Abstract Publication: Optics Express Pub Date: July 2008 DOI: 10.1364/OE.16.010178 Bibcode: 2008OExpr..1610178L