• Technical Conference:  04 – 09 May 2025
  • The CLEO Hub: 06 – 08 May 2025


About CLEO

The co-sponsor Societies see the genuine value in bringing the community together in person to learn from and share with each other. The in-person format focuses on the primacy of engagement, networking and interaction opportunities on site.     

CLEO Promotes Breakthroughs in Research and Applied Innovations

With a distinguished history as the industry's leading event on laser science, the Conference on Lasers and Electro-Optics (CLEO) is the premier international forum for scientific and technical optics, uniting the fields of lasers and opto-electronics by bringing together all aspects of laser technology, from basic research to industry applications.

Comprehensive High-Quality Programming

With comprehensive, peer-reviewed technical sessions and market-focused programming, CLEO is the world’s premier international forum to learn about innovative advances, research and new technologies from the laser science industry. From quantum computing to advanced imaging technologies used to the search for new life and planets in the galaxy, CLEO brings together all aspects of electro-optic technologies.

CLEO’s world-renowned technical program is a showcase for leading research and applications in a number of fields. Industry leading speakers from around the world discuss new scientific ideas and research while exhibiting companies display the latest innovations in photonics technology.