Lawrence Berkeley National Laboratory

This report constitutes the third deliverable of LBNL s contracted role in the FERMI @ Elettra Technical Optimization study. It describes proposed R&D activities for the baseline design of the Technical Optimization Study, initial studies of the RF gun mode-coupling and potential effects on beam dynamics, steady-state studies of FEL-2 performance to 10 nm, preliminary studies of time-dependentFEL-1 performance using electron bunch distribution from the start-to-end studies, and a preliminary investigation of a configuration with FEL s inclined at a small angle from the line of the linac.