New design for high static pre-compression in shock dynamic experiments

We introduce a new shock diamond anvil cell (SDAC) design for combining high static pre-compression and sub-kJ laser-driven dynamic shock compression experiments at X-ray sources. We designed a system of two thin diamond anvils, one of which is perforated with a thin diamond window (30-70 μm) glued on top of the culet. The perforation is envisioned to allow shock waves created by low/moderate energy lasers to propagate through the sample. Being developed to be usable by any user community at the High Energy Density (HED) instrument at European-XFEL, or other large-scale facilities around the world, the unique design of the SDAC will allow reaching higher density states of matter in shock compression experiments and probe previously unexplored regions of the pressure-temperature-density phase diagram, combined with the diagnostics capability of the XFEL. We will present the results of our technical development, hydrodynamic, and potentially molecular dynamics simulation results of dense Krypton, laser-shocked at different initial densities.