Research with high-power short-wavelength lasers

Details Research with high-power short-wavelength lasers Research with high-power short-wavelength lasers

Sep 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985sci...229.1045h&link_type=abstract

Science (ISSN 0036-8075), vol. 229, Sept. 13, 1985, p. 1045-1051.

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High Power Lasers, Inertial Confinement Fusion, Laser Applications, Laser Plasma Interactions, Magnetohydrodynamic Stability, Nova Laser System, Glass Lasers, Neodymium Lasers, Short Wave Radiation, X Ray Lasers

Scientific paper

The three high temperature, high density experiments presently reported, which were conducted with a 10-TW short wavelength laser system, have demonstrated successful solutions to problems which arose during previous laser-plasma interaction experiments at wavelengths greater than 1 micron. Large scale plasmas whose dimensions approach those required for high gain inertial fusion targets have been generated, by collisionally damping deleterious laser-plasma instabilities. Deuterium-tritium fuel has been imploded to a density of 20 g/cu cm and a pressure of 10 to the 10th atmospheres; the compression conditions obtained were consistent with calculations predicting efficient burn of a large thermonuclear fuel mass. Soft X-rays have been amplified by a factor of 700 by stimulated emission at 206 and 209 A from selenium ions in a laser-generated plasma. The plasma conditions for the three experiments have their basis in advances in Nd:glass laser technology, as well as techniques for efficient generation of short wavelength harmonics and improved diagnostic and computational modeling.

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