X-ray-pump, speckled optical-probe transient grating spectroscopy at a hard-x-ray free electron laser
Abstract
Despite being a well-developed technique, transient grating spectroscopy has not been widely adapted to high-pressure condensed matter experiments. Here, a platform for x-ray-pump, optical probe transient grating spectroscopy in averaged mode is described. Improvements that may enable eventual single-shot assessments of thermal diffusivity for optically transparent materials at high pressure are detailed.
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