SINBAD: A synchrotron infrared beamline at DAFNE G.R. Ambrogini 1, E. Burattini 2-3, P. Calvani 1, A. Marcelli 3, C. Mencuccini 4, A. Nucara 1, and M. Sánchez del Río 5 1) Università La Sapienza, Dipartimento di Fisica, P.le A. Moro 5, 00185 Roma, Italy 2) Universita' di Verona, Facolta' di Scienze, 37100 Verona, Italy 3) I.N.F.N. - Laboratori Nazionali di Frascati, C. P. 13, 00044 Frascati, Italy 4) Università La Sapienza, Dipartimento di Energetica, P.le A. Moro 5, 00185 Roma, Italy 5) European Synchrotron Radiation Facility, BP. 220, 38043 Grenoble, France (Presented on 20 October 1995) Different optical layouts for a beamline that extracts infrared synchrotron radiation from a bending magnet are discussed, and their performances are compared by use of ray-tracing simulations. Specific results are presented for SINBAD, the beamline to be mounted on the new Frascati collider DAFNE. ©1996 American Institute of Physics.