Hiroki Inoue and Muneharu Kutsuna Nagoya Laser Technopole Advanced Laser Technology Research Center. 40-7 Hiromi, Anjo-cho, Anjo-shi, Aichi-ken, JAPAN Zip: 446-0026 Phone: +81-(0)566-91-2281 E-mail: altrec1@ katch.ne.jp