Since 1972, SEDI-ATI is specialized in the design and custom manufacture of fiber optic-based passive components for complex and extreme environments.


With Yotta as new shareholder, the company intends to accelerate its development in the key markets of low carbon energies, in particular nuclear and wind power, healthcare and data communication, while continuing to invest in R&D to offer new innovations to its customers. 

Founded in 1951, and headed by Jean-François Vinchant since 2016, SEDI-ATI is recognized as an expert in the design and manufacture of passive components for fiber optic applications, specifically designed for custom applications in harsh and extreme environments. The products have key applications in various markets, such as industrial, medical, energy, aerospace, communication and research.
Manufactured in France, SEDI-ATI’s products are used, for example, in nuclear reactors, medical diagnosis devices or in the Pharao atomic space clock.


Entry into the capital

July 2023





Employees in France


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