5-10 May 2019
Europe/Berlin timezone

Picosecond x-ray driver for isochoric heating in LWFA pump-probe experiments

Not scheduled


Meštrovićevo šetalište 45 HR – 21000 Split Republic of Croatia


Cary Colgan


Isochoric heating is a necessary step in generating warm-dense matter (WDM) conditions from near solid-density targets. The volumetric heating of the sample must be rapid to limit expansion, and reach temperatures of 10’s of eVs for relevant applications to the Jovian interior and ICF capsule implosions. Here, the viability of x-ray heating from a picosecond, laser-driven thin-foil Ge target was assessed. M-L band emission from the Ge produced a dense x-ray field in the 1 - 2 keV range that was characterised using crystal spectroscopy and pinhole imaging. This reproducible, laser-driven isochoric heater can be naturally synchronised to betatron radiation produced using laser wakefield acceleration (LWFA), enabling pump-probe experiments into the equation of state and transport properties of the transient WDM conditions.

Working group Secondary radiation generation & applications

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