Hot ablative implosions driven by 0.53 μm laser radiation |
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| Authors: | B.J. MacGowan J.D. Kilkenny M.H. Key P.T. Rumsby W.T. Toner A.P. Fews D.L. Henshaw |
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| Affiliation: | The Blackett Laboratory, Imperial College, London SW7 2BZ, UK;SERC Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, UK;H.H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol, UK |
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| Abstract: | A six beam 0.53 μm laser symmetrically irradiated thin walled gas filled spherical glass shells at 4 × 1014 W cm-2, the upper limit for ablatively driven implosions. The high ablation pressure induced sufficient X-ray and thermonuclear product emission for diagnosis of the 200 eV temperature and 3 g cm-3 density in the implosions. X-ray preheat, Rayleigh Taylor instability and non uniform irradiation are identified as serious limits to performance of the implosions. |
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