CLEO serves as 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.

Solid State, Fiber, and Other Laser Sources Ultrafast Phenomena and Nonlinear Optics Terahertz Technologies and Applications High Power, High Energy Lasers Plasmonics and MetamaterialLaser Processing and Innovative Applications Optical Metrology and Sensing Quantum Optics, Atomic Physics, and Quantum Information Nitrides, Other Widegap Semiconductors Micro and Nanophotonics Biophotonics and Medical optics Semiconductor and Intergrated Optical Devices Display, Storage, and Applications