Real-time FPGA data collection of pulsed-laser cavity ringdown signals Spence, T. G. ; Calzada, M. E. ; Gardner, H. M. ; Leefe, E. ; Fontenot, H. B. ; Gilevicius, L. ; Hartsock, R. W. ; Boyson, T. K. ; Harb, C. C. Abstract Publication: Optics Express Pub Date: April 2012 DOI: 10.1364/OE.20.008804 Bibcode: 2012OExpr..20.8804S