Solid-density plasma characterization with x-ray scattering on the 200 J Janus laser

We present collective x-ray scattering (CXS) measurements using a chlorine He-α x-ray source pumped with less than 200 J of laser energy. The experimental scattering spectra show plasmon resonances from shocked and radiatively heated samples. These experiments use only 1012 x-ray photons at the sample of which 10-5 have been scattered and detected with a highly efficient curved crystal spectrometer. Our results demonstrate that x-ray scattering is a viable technique on smaller laser facilities, making CXS measurements accessible to a broad scientific community.