Abstract:
In order to carry out scientific research on the properties of materials under extremely high pressure conditions, a series of laser-driven high pressure loading technology based on Hügoniot, quasi-isentropic compression and “shock+quasi-isentropic” composite thermodynamic path compression have been developed on 10 kJ-level laser facility. The practical high-pressure loading design method has been established and optimization research on planarity, cleanness of compression wave has been performed. High-pressure state generation capability in wide parameter area which covers from above 10
11 Pa of quasi-isentropic compression to above 10
12 Pa of Hügoniot compression has been implemented, which provides an important technical foundation for the study of the high-pressure state equation and phase transition dynamics on the laser device.
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