- Conference date: 22–26 March 2009
- Location: Monterey (California)
We summarize current methods and results for coupling laser‐induced shocks into pre‐compressed Helium contained in a diamond anvil cell (DAC). We are able to load helium, hydrogen, deuterium, and helium‐hydrogen mixtures into a DAC and propagate a laser‐generated shock into the pre‐compressed sample. This technique has allowed us to measure the Hugoniot for helium at initial densities ranging from 1 to 3.5 times liquid density. We have developed and used a methodology whereby all of our measurements are referenced to crystalline quartz, which allows us to update our results as the properties of quartz are refined in the future. We also report the identification and elimination of severe electro‐magnetic pulses (EMP) associated with plasma stagnation associated with ablation in a DAC.
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