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Proceedings Paper

Protection of final optics in megajoule-class lasers by steering of UV beams using diffraction gratings
Author(s): Jerome Paye; Jean Michel Bruneau; Patrick Coffin
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Paper Abstract

In order to protect most the final optics hardware of megajoule-class lasers from the radiations produced by ignition shots, it is desirable to steer the laser beams after frequency conversion. Using a transmission grating etched in fused silica is an attractive solution for 3 omega beam steering. The conceptual design of a focusing system based on this device is reviewed. The issues of pulse temporal shear and beam transport are addressed. The compatibility of 3 omega gratings with other beam steering devices is assessed in view of possible evolution of the focusing system during the lifetime of the laser facility.

Paper Details

Date Published: 8 December 1995
PDF: 5 pages
Proc. SPIE 2633, Solid State Lasers for Application to Inertial Confinement Fusion (ICF), (8 December 1995); doi: 10.1117/12.228330
Show Author Affiliations
Jerome Paye, CEA (France)
Jean Michel Bruneau, CEA (France)
Patrick Coffin, CEA (France)

Published in SPIE Proceedings Vol. 2633:
Solid State Lasers for Application to Inertial Confinement Fusion (ICF)
Michel Andre; Howard T. Powell, Editor(s)

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