Picosecond timing system for the L.I.L. laser facility

Jean-Yves Salmon; Pascal Leclerc

doi:10.1117/12.516782

1 August 2003 Picosecond timing system for the LIL laser facility

Jean-Yves Salmon, Pascal Leclerc

Proceedings Volume 4948, 25th International Congress on High-Speed Photography and Photonics; (2003) https://doi.org/10.1117/12.516782
Event: 25th international Congress on High-Speed photography and Photonics, 2002, Beaune, France

Abstract

The CEA has studied a unique picosecond timing system for the Laser Integration Line (L.I.L.), an 8-beam laser currently under construction in France. This laser is the prototype of a future facility dedicated to inertial confinement fusion. It requires very precise timing between its laser beams and ultra-fast diagnostics. Its timing system had to achieve unprecedented performances: to deliver 800 trigger signals over distances exceeding 300 m with delays individually programmable and near-picosecond range time accuracy. To achieve this goal, the CEA developed a new design based on very accurate electrical delay generators connected to a master clock through a bi-directional fiber-optic time distribution network. In this article, we describe its principle and present achieved performances.

Citation Download Citation

Jean-Yves Salmon and Pascal Leclerc "Picosecond timing system for the LIL laser facility", Proc. SPIE 4948, 25th International Congress on High-Speed Photography and Photonics, (1 August 2003); https://doi.org/10.1117/12.516782

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