Winlight System is a French company that designs and manufactures high-performance optical systems and components.

We primarily operate in the space, defense, astronomy and “big science” sectors. Winlight System’s technical expertise in the design and construction of state-of-the-art optical systems is recognized worldwide, including proprietary polishing technologies (molecular adhesion, high-precision polishing), as well as assembly and testing.

Acquired in 2017 by Bertin Technologies, a CNIM Group company, Winlight System bolsters its portfolio of high-performance optical and mechanical systems.

Winlight System’s capabilities are increasingly recognized worldwide, with a growing roster of customers in Asia, Europe and North America.


ISO 9001:2015 certified, Winlight is committed to providing the highest quality to its customers, in the rigorous management of all their projects.
Keeping such a level of excellence is our growth engine.

Technological excellence

Technological excellence guides everything we do, underpinning our position as a major player in the international market for optical systems.

Customer satisfaction

Our top priorities are obviously customer satisfaction and excellence, to guarantee that we deliver top-flight solutions and exemplary work at all levels.



  • Thales
  • Airbus Helicopters
  • Direction Générale de l’Armement (DGA)


  • National Aeronautics and Space Administration (NASA)
  • French space agency (CNES)
  • Thales
  • Airbus Defence and Space
  • Institut d’Astronomie Spatiale (IAS)
  • Laboratoire d’Astronomie de Marseille (LAM)
  • European Space Agency (ESA)


  • European Southern Observatory (ESO) – Germany
  • Laboratoire d’Astronomie de Marseille (LAM) – France
  • Observatoire de Lyon (CRAL) – France
  • Observatoire Midi-Pyrénées – France
  • Institut National des Sciences de l’Univers (INSU) – France
  • INAF – Italy
  • Centre National de Recherche Scientifique (CNRS) – France
  • Max-Planck Institute – Germany
  • Heidelberg University – Germany
  • NAOJ – Japan
  • Caltech – United States
  • University of California, Berkeley – United States
  • Weizeman Institute – Israel
  • UK ATC Edinburgh – Scotland


  • Centre français de rayonnement synchrotron (SOLEIL) – France
  • European Synchrotron Radiation Facility (ESRF) – France
  • ALBA – Spain
  • Shanghai Synchrotron Radiation Facility (SSRF) – China
  • High Energy Photon Source (HEPS) – China
  • Max-IV Laboratory – Denmark
  • Diamond Light Source – United Kingdom
  • Elettra Sincrotrone Trieste – Italy
  • Synchrotron radiation facility SPring-8 – Japan
  • Advanced Photon Source (APS) – United States
  • Argonne National Laboratory (ANL) – United States
  • NSL-2 – United States
  • Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy – Germany
  • Synchrotron Bessy – Germany
  • Synchrotron radiation source INDUS II – India
  • Paul Sherrer Institute – Swiss
  • High Energy Accelerator Research Organization KEK – Japan
  • Shimadzu – Japan
  • Tokyo University – Japan
  • RIKEN National Science Institute – Japan
  • Japan Atomic Energy Research Institute (JAERI) – Japan
  • Lasti – Japan
  • Canadian Light Source (CLS) – Canada
  • Toyama University – Japan
  • Saga prefecture – Japan
  • Saga University – Japan
  • Laboratório Nacional de Luz Síncrotron (LNLS) – Brazil
  • National Synchrotron Radiation Research Center (SRRC) – Taiwan

Corporate LINKS

Bertin Technologies, a CNIM Group company, calls on its long track record of innovative solutions to develop, produce, market and support innovative systems and instruments. Two-thirds of the company’s 620 employees are seasoned engineers and management staff. The company posted sales of nearly 100 million euros in 2018, operating worldwide. Bertin offers a wide range of systems and instruments that provide innovative measurement and sampling solutions for high value-added markets.

  • Nuclear instrumentation (radon monitoring in the workplace and radioactivity monitoring in the environment, radioactivity detection gates, radio-protection)
  • Defense and Security / Protection of oil and gas facilities (NRBC, gas detection, optronic surveillance systems), with the acquisition of Exensor in 2017
  • Laboratory equipment (preparation of biological samples, air biocollector, digital microscope)


Founded in 1856, CNIM is a French-based international equipment manufacturer and systems integrator. It works for public and private companies, as well as local and federal governments, in the environment, energy, defense and high-tech sectors. Innovative technologies underpin the products and services designed by CNIM. They are used to generate cleaner and most cost-competitive energy, reduce the environmental impact of production operations, and ensure the safety and security of industrial facilities, people and countries. CNIM is listed on the Euronext Paris stock exchange, and is majority family-owned, with family members largely involved it its development. CNIM has 2,613 employees and generated sales of 689.8 million euros in 2018, including 62.1% in export markets.