Interaction of ultra-bright lasers with matter: program of the French Commissariat a l'Energie Atomique

Michel L. Andre; Jacques Coutant; Robert Dautray; Michel J. Decroisette; Louis Andre Lompre; Michel Naudy; Claude Manus; Gerard L. Mainfray; Arnold Migus; Didier Normand; Christian J. Sauteret; Jean Paul Watteau

doi:10.1117/12.46902

1 October 1991 Interaction of ultra-bright lasers with matter: program of the French Commissariat a l'Energie Atomique

Michel L. Andre, Jacques Coutant, Robert Dautray, Michel J. Decroisette, Louis Andre Lompre, Michel Naudy, Claude Manus, Gerard L. Mainfray, Arnold Migus, Didier Normand, Christian J. Sauteret, Jean Paul Watteau

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Proceedings Volume 1502, Industrial and Scientific Uses of High-Power Lasers; (1991) https://doi.org/10.1117/12.46902
Event: ECO4 (The Hague '91), 1991, The Hague, Netherlands

Abstract

Laser-matter interactions enter a new area with the advent of ultraintense laser beams in the 1018 - 1019 W/cm2 range. Such experiments are now within reach since new short-pulse laser technology has recently made possible the production of laser sources with output power at multiterawatt levels with picosecond or subpicosecond pulses. These experiments should yield a significant increase in the knowledge of fundamental aspects of interactions at this relativistic regime. The two main experimental approaches are based on excimer lasers, especially KrF lasers at 248 nm and chirped pulse amplification (CPA) in broadband solid-state materials such as Nd-glass amplifiers, followed by temporal compression down to the one picosecond regime /1/. The latter approach at 1.06 micrometers was chosen because most of the new physical effects expected at about 1019 W/cm2 are governed by the parameter I(lambda) 2, where I is the focused intensity and (lambda) the laser wavelength.

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Michel L. Andre, Jacques Coutant, Robert Dautray, Michel J. Decroisette, Louis Andre Lompre, Michel Naudy, Claude Manus, Gerard L. Mainfray, Arnold Migus, Didier Normand, Christian J. Sauteret, and Jean Paul Watteau "Interaction of ultra-bright lasers with matter: program of the French Commissariat a l'Energie Atomique", Proc. SPIE 1502, Industrial and Scientific Uses of High-Power Lasers, (1 October 1991); https://doi.org/10.1117/12.46902

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KEYWORDS

Electrons

Picosecond phenomena

High power lasers

Optical amplifiers

Laser scattering

Monochromatic aberrations

Excimer lasers

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