(August 15, 2005) Hollis, N.H. — Jeffrey P. Sercel, president of J. P. Sercel Associates, and co-author Michael von Dadelszen, Ph.D., have authored a chapter in the recently published book, Laser Beam Shaping Applications, edited by Fred M. Dickey, Scott C. Holswade and David Shealy. The chapter authored by Sercel and von Dadelszen, Chapter 3, is titled “Practical UV Excimer Laser Image System Illuminators,” pp. 113-155.