GARPUN KrF laser application to material studies at megabar pressures

Vladimir D. Zvorykin; Valerii G. Bakaev; Vyacheslav Yu. Korol'; Gleb V. Sychugov

doi:10.1117/12.334814

30 December 1998 GARPUN KrF laser application to material studies at megabar pressures

Vladimir D. Zvorykin, Valerii G. Bakaev, Vyacheslav Yu. Korol', Gleb V. Sychugov

Proceedings Volume 3683, Laser Optics '98: Superstrong Laser Fields and Applications; (1998) https://doi.org/10.1117/12.334814
Event: Laser Optics '98, 1998, St. Petersburg, Russian Federation

Abstract

The advantages of a high-power KrF laser system 'GARPUN' generating UV radiation of 248 nm wavelength, 100 J energy and 100 ns pulse duration for the production of megabar range ablation pressures are demonstrated. The scaling law for the pressure dependence on laser intensity reaching 5*10¹² W/cm² was established and compared with other wavelengths. High-pressure material investigations were carried out with the emphasis on a shock wave dynamics and equation of state studies. Pressure-induced transformation of the pyrolytic graphite into a diamond-like phase was observed for the first time in laser-target interactions.

Citation Download Citation

Vladimir D. Zvorykin, Valerii G. Bakaev, Vyacheslav Yu. Korol', and Gleb V. Sychugov "GARPUN KrF laser application to material studies at megabar pressures", Proc. SPIE 3683, Laser Optics '98: Superstrong Laser Fields and Applications, (30 December 1998); https://doi.org/10.1117/12.334814

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