Manuscript received September 28;
1994;
revised February 6;
1995. This work was supported by the National Science Foundation Grant ECS#9120590;
the Advanced Projects Agency;
and the Naval Air Warfare Center Joint Service Agile Program Contract N66269-C-93-0256. M. Sheik-Bahae is with the Department of Physics and Astronomy;
University of New Mexico;
Albuquerque;
NM 87131 USA. .IW. ang with the Advanced Technology Research & Development Division;
Hitachi Ltd;
Kanagawa-ken;
256;
Japan;
E;
J;
Canto-Said;
D;
Hagan;
and E. W. VanStryland are with the Center for Research and Education in Optics and Lasers;
Departments of Physics and Electrical Engineering;
University of Central Florida;
Orlando;
FL 32816 USA. R. DeSalvo is with the Information System Division;
Hanis Corporation;
Melbourne;
FL 32902 USA. IEEE Log Number 9411892;