Progress of Laser Fusion Rersearch
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Section 2 PROGRESS IN LASER FUSION
LLE is presently involved in a series of experiments 'intended to demonstrate the ability of direct-drive laser fusion to ablatively compress microencapsulated deuterium-tritium (DT) fuel to 200 times its liquid density. This campaign has been structured into three parts. The first part was initiated in February 1985 and involved the implosion of glass microballoons filled with various pressure...
متن کاملSection 2 PROGRESS IN LASER FUSION
The present objectives of the Drive Uniformity Program at the University of Rochester are (a) to determine the radiation and drive uniformity requirementsfordirectly driven targets, and(b)toachieve the required degree of uniformity with multiple beam irradiation of spherical targets using overlapping beams. This integrated program, which began almost two years ago, has made steady progress in m...
متن کاملSection 2 PROGRESS IN LASER FUSION
Laser-imploded targets, especially those imploded adiabatically, attain high temperatures in the compressed core. The imploded part of the surrounding tamper is considerably colder, especially if preheat is small. Under these conditions the continuous x-ray emission from the core undergoes absorption at wavelengths characteristic of atomic species in the tamper. The resulting absorption lines c...
متن کاملSection 2 PROGRESS IN LASER FUSION 2.A Parametric Instabilities Driven by Two Pumps in Laser-Fusion Plasmas
Parametric instabilities of importance to laser-plasma interactions in laserfusion experiments are usually analyzed assuming only one laser beam (pump) drives each instability. In actual experiments, however, multiple laser beams may overlap in a localized region of the fusion target corona, where parametric instabillties may be driven by more than one pump. In the simplest case, shown in Fig. ...
متن کاملPROGRESS IN LASER FUSION 2. D Three-Halves Harmonic Spectra and Self- Focusing in Laser Plasmas
We have recently reported on the spectral characteristics and the generation mechanisms for the harmonic radiation emitted from laserproduced plasmas.' We noted on that occasion that the observed asymmetric splitting of the 3~ , / 2 spectra from UV-laser plasmas (Fig. 16) could not be explained on the basis of a planar plasmaexpansion model. In the preceding article of this review, the theoreti...
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ژورنال
عنوان ژورنال: The Review of Laser Engineering
سال: 2013
ISSN: 0387-0200,1349-6603
DOI: 10.2184/lsj.41.4_217