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Proceedings Paper

Metrology of focusing gratings and continuous phase plates for LIL and LMJ lasers
Author(s): Vincent Beau; Denis Valla; Jerome Daurios; Jerome Neauport; Geraud de Villele; Jean Flamand
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Paper Abstract

French Megajoules laser (LMJ) and Ligne d'Integration Laser (LIL) are two high power lasers using large diffractive components for focal spot conditioning. Those components are a 420x470 mm2 focusing grating and a 398x383 mm2 continuous phase plate (CPP), both working at wavelength 0.351 μm. In order to control the tight specifications that have to meet those components, CEA and company Jobin-Yvon, in charge of their manufacturing, have developed specific setups. After a brief introduction describing specifications and requirements, we will present the different setups and analysis software used and finally discuss the different measurements that could be done.

Paper Details

Date Published: 26 February 2004
PDF: 8 pages
Proc. SPIE 5252, Optical Fabrication, Testing, and Metrology, (26 February 2004); doi: 10.1117/12.512829
Show Author Affiliations
Vincent Beau, CEA (France)
Denis Valla, CEA (France)
Jerome Daurios, CEA (France)
Jerome Neauport, CEA (France)
Geraud de Villele, Jobin Yvon SA (France)
Jean Flamand, Jobin Yvon SA (France)

Published in SPIE Proceedings Vol. 5252:
Optical Fabrication, Testing, and Metrology
Roland Geyl; David Rimmer; Lingli Wang, Editor(s)

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