Reports to business, academic community, contained in Development industry, the and federal, state and local governments. Although a small portion of this report is not reproducible, it is being made available to expedite the availability of information on the research discussed herein. 1 LA-UR~~-2809 LA-UR-9O-28O9 DE90 016488 LOS Ammos NaIIanal Labofalory IC o-mod bY mm Unwwr&.ol C@NwfilQIOf Itra UnMd SIWtwnLkpwrlmonl of Enorgr undar conlmcl W-7405-ENG-% TITLE INEX MODELING OF THE BOEING RING OPTICAL RESONATOR FREE ELECTRON LASER AUTHOR(S)