Mechanical support system of laser megajoule large-dimension optical components

Sébastien Noailles; Thierry Bart; Philippe Schmitz; Alain Hugget; Raphaël Ferbos; Stéphane Bouillet; Christophe Leymarie; Sébastien Martin

doi:10.1117/12.731587

17 September 2007 Mechanical support system of laser megajoule large-dimension optical components

Sébastien Noailles, Thierry Bart, Philippe Schmitz, Alain Hugget, Raphaël Ferbos, Stéphane Bouillet, Christophe Leymarie, Sébastien Martin

Author Affiliations +

Proceedings Volume 6665, New Developments in Optomechanics; 66650Z (2007) https://doi.org/10.1117/12.731587
Event: Optical Engineering + Applications, 2007, San Diego, California, United States

Abstract

This paper presents recent studies on the mechanical support system of Laser MegaJoule large dimension optical components. The dimensions of these optical components and their orientation resulted in considerable distortions due to gravity. An original and very simple method based on an isostatic mounting together with industrial springs located on the edges of the component is presented. Springs are used to compensate for gravity distortion. This system provides improved support performance at very low cost (for example, PV less than 0.5μm for a 610mm * 430mm * 80mm silicate optic at 45° from the vertical). The support systems are optimized with IDEAS finite element analysis software and validated with experimental measurements.

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Sébastien Noailles, Thierry Bart, Philippe Schmitz, Alain Hugget, Raphaël Ferbos, Stéphane Bouillet, Christophe Leymarie, and Sébastien Martin "Mechanical support system of laser megajoule large-dimension optical components", Proc. SPIE 6665, New Developments in Optomechanics, 66650Z (17 September 2007); https://doi.org/10.1117/12.731587

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