Thales SESO SAS

Our SESO® optics are designed and manufactured to meet the high end, state-of-the-art, challenging requirements or our customers.

A trusted partner

Founded in 1965, we have a long experience in the field of Space, Astronomy, Science, X-Ray and test systems. Our optical systems are mounted on some of the most renowned satellites (Pleiades, Kompsat-3, Spot, Jason, …), Synchrotrons (Spring8, Argonne, ESRF, …), Telescopes (VLT, …). Our customers are all over the world (Asia, Europe, North America, South America, Middle-East and Oceania).

World Class Capabilities

SESO® masters all the manufacturing steps thanks to an exceptionally wide range of milling, grinding, lightening, polishing and coatings machines and robots (more than 80). It gives us the flexibility to adapt to the most exigent customer specifications. – Shape: spheric, aspheric (elliptic, parabolic, hyperbolic, toroid) – Size: from 15cm to couple of meters – Material: Glasses, Ceramics, Semiconductors,… – Coating: Aluminum, Gold, Rhodium, protected or unprotected – Precision: low Roughness (super polishing) and flatness, … – Mirror lightening: up to 85% the original weight of...