Optics and Photonics Days (OPD) is an annual central event in Optics and Photonics in Finland and the largest yearly Photonics event in the Nordics.

OPD2026 will be held 26. – 28. May 2026 in Jyväskylä, Finland.

OPD offers an unique opportunity to learn from interesting presentations from Academy and Industry program running in parallel, network with companies, students and researchers in the field of photonics and optics, but also to explore products and services at OPD Exhibition that is held during the conference.

Academic program themes:

• Sensing and imaging
• Novel photonic devices
• Materials and processing
• Fundamental photonics (classical and quantum)

Industry topics:

• Photonics in Augmented Reality
• PICs & Quantum Photonics
• Photonics for Dual-Use Applications
• Optical Measurements & AI for Industry

Also there is a lot of additional activities such as Networking Dinner, Job Fair, Student meeting, PREIN Annual Event, Photonics Finland annual meeting, Panel discussions, Media event and also Poster- and Pitch sessions.