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Optica, formerly OSA, the society advancing optics and photonic worldwide, is a leader of excellence, delivering high-quality scientific and technical information that is authoritative, accessible and archived.

The new brand, Optica, builds on our history of discovery and innovation. Since 1916, the society has been the world's leading champion for optics and photonics, uniting and educating scientists, engineers, educators, technicians and business leaders worldwide. Optica currently serves 432,000 customers from 181 countries.
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OFC 2026 Conference
Optical Fiber Communication Conference and Exposition
3/15/2026 - 3/19/2026
Optica High-Brightness Sources Congress 2026
Optica High-Brightness Sources and Light-Driven Interactions Congress
Dates: TBD
Clinical and Translational Biophotonics 2026
Clinical and Translational Biophotonics Conference
4/26/2026 - 4/30/2026
Optica Biophotonics Congress 2026
Optica Biophotonics Congress
4/26/2026 - 4/30/2026
CLEO 2026
The premier international forum for scientific and technical optics
5/17/2026 - 5/21/2026



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