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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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Optica Design and Fabrication Congress 2025
Optica Design and Fabrication Congress
6/15/2025 - 6/18/2025
ECBO 2025
Optics and biophotonic technologies for diagnostics and therapeutics
6/22/2025 - 6/26/2025
Optica Advanced Photonics Congress 2025
Optica Advanced Photonics Congress
7/14/2025 - 7/17/2025
Optica Sensing Congress 2025
Optical Sensors and Sensing Congress
7/20/2025 - 7/24/2025
Optica Nonlinear Optics Topical Meeting 2025
Optica Nonlinear Optics Topical Meeting
8/4/2025 - 8/7/2025



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