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Proceedings Paper

Metrology of large optical components for high-power lasers
Author(s): V. Beau; Jean-Christophe Poncetta; Genevieve Chabassier
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Paper Abstract

The design of high power lasers such as the MEGAJOULE laser (LMJ) and its first prototype, the Laser Integration Line (LIL) requires optical components with very strict and diverse specifications over large apertures. Though technologies used for the fabrication of these components may be usually compatible of such specifications, fabrication processes are often restricted by our ability to measure the effective performances. In order to determine the effective quality of its components and to help optimizing their production, CEA equipped with a wide range of metrology devices, many of them were developed for the specific needs of LIL and LMJ programs. In the same time CEA also supported the development of specific metrology means at its optics vendors to help in th fabrication process design. After a short description of the Megajoule laser, we will focus on the different metrology devices used in the characterization of its optical components non-exhaustively ranging from interferometry and photometry measurements to focal spot analysis.

Paper Details

Date Published: 5 February 2002
PDF: 7 pages
Proc. SPIE 4411, Large Lenses and Prisms, (5 February 2002); doi: 10.1117/12.454890
Show Author Affiliations
V. Beau, Commissariat a l'Energie Atomique (France)
Jean-Christophe Poncetta, Commissariat a l'Energie Atomique (France)
Genevieve Chabassier, Commissariat a l'Energie Atomique (France)


Published in SPIE Proceedings Vol. 4411:
Large Lenses and Prisms

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