A new Free Electron Laser (FEL) using high power laser system as a wiggler/
undulater and an electron beam of transverse laser cooling in a storage rin
g and a combination of chicane for longitudinal compression is proposed. Th
is scheme will open an intense FEL hard X-ray laser with very compact syste
m. (C) 2000 Elsevier Science B.V. All rights reserved.