The European Optical Society Annual Meeting, EOSAM, is a major international scientific conference and exhibition covering all aspects of optics and photonics.

The 13th EOSAM is organized in Delft, The Netherlands, 24-28 August 2025.

EOSAM 2025 is organized by The European Optical Society, EOS, in close collaboration with The Delft University of Technology, TU Delft.

EOSAM covers all aspects of optics and photonics within several topical meetings and sessions. It is attended annually by around 500 top researchers, key leaders, students, and industry experts from over 30 different countries all over the world.

EOSAM is a great platform for presenting the most recent research results, connecting and catching up, as well as bridging the gap between research, education, and industry.

Each year EOSAM moves into different optics and photonics hubs better serving the local communities and at each time creating a unique EOSAM experience for the attendees. EOSAM has been organized since 2006 in France, Scotland, Germany, the Netherlands, Italy, and Portugal.