Performance Characteristics, Optimization, and Error Tolerances of a 4 nm FEL Based on the SLAC Linac Kim, K. -J. ; Xie, M. ; Scharlemann, E. T. ; Pellegrini, C. ; Travish, G. Abstract Publication: 1993 15th IEEE Particle Accelerator Conference Pub Date: 1994 Bibcode: 1994pac..conf.1533K