ft-Ho tfoöH !., _ PW-C-? PROCEEDINGS OF SPIE ^jf SPIE—The International Society for Optical Engineering Terahertz Spectroscopy and Applications Mark S. Sherwin Chair/Editor 25-26 January 1999 San Jose, California Sponsored by SPIE—The International Society for Optical Engineering U.S. Army Research Office DARPA—Defense Advanced Research Projects Agency DISTRIBUTION STATEMENT A Approved for Public Release Distribution Unlimited DTXC QUALITY mgZMZMD % 20000628 032 P Volume 3617 Ws?o fetr-'x^ - '-<--^ux.Cjj 4