6Th International Conference on Education and Training in Optics and Photonics, Date: JUL 28-30, 1999, Location: CANCUN, MEXICO, Sponsors: Int Commiss Opt, Opt Soc Amer, SPIE, Univ Autonoma Estado Morelos, Mexico, Univ Guanajuato, Mexico, Acad Mexicana Optica, Secretaria Educ Publica, Consejo Nacl Cienca & Technol, Univ Amer Puebla, Inst Natl Astrofisica, Optica Electronica, Centro Investigaciones Opticas, CICESE, Univ Nacl Autonoma Medixo, Natl Sci Fdn