Protection of final optics in megajoule-class lasers by steering of UV beams using diffraction gratings

Jerome Paye; Jean Michel Bruneau; Patrick Coffin

doi:10.1117/12.228330

8 December 1995 Protection of final optics in megajoule-class lasers by steering of UV beams using diffraction gratings

Jerome Paye, Jean Michel Bruneau, Patrick Coffin

Proceedings Volume 2633, Solid State Lasers for Application to Inertial Confinement Fusion (ICF); (1995) https://doi.org/10.1117/12.228330
Event: Solid State Lasers for Application to Inertial Confinement Fusion (ICF), 1995, Monterey, CA, United States

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.

Citation Download Citation

Jerome Paye, Jean Michel Bruneau, and Patrick Coffin "Protection of final optics in megajoule-class lasers by steering of UV beams using diffraction gratings", Proc. SPIE 2633, Solid State Lasers for Application to Inertial Confinement Fusion (ICF), (8 December 1995); https://doi.org/10.1117/12.228330

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