CLEO Conference & Exhibition
The premier international forum for scientific and technical optics. CLEO promotes breakthroughs in research and applied innovation through comprehensive, peer-reviewed technical sessions and market-focused programming, uniting lasers and opto-electronics by connecting basic research, emerging discoveries and real-world industry applications. With more than 40 years of scientific leadership, CLEO brings together the global community advancing laser science, photonics and electro-optic technologies.
Events
CLEO 2027
by Optica
CLEO 2027 is the premier international forum for scientific and technical optics, featuring a technical conference (2-7 May 2027) and an exhibition (4-5 May 2027) at the Long Beach Convention Center. The event includes plenary talks, invited speakers, special symposia, short courses, tutorials, and A&T topical reviews spanning 29 topic categories with more than 2,000 technical presentations.