It takes place once every two years at the Frankfurt Exhibition Centre. It has already established itself as an international industry forum, and presents the entire spectrum of optics, optoelectronics, laser technology and fibre optics, as well as optical transmission and information technologies. Dates: 22.06.2004 - 25.06.2004. Location: Messe Frankfurt, Ludwig-Erhard-Anlage 1, 60327 Frankfurt, Germany.

https://www.schall-messen.de/_s/optatec/