Observation of the density threshold behavior for the onset of stimulated Raman scattering in high-temperature hohlraum plasmas.


We show that the measured stimulated Raman scattering (SRS) in a large-scale high-temperature plasma scales strongly with the plasma density, increasing by an order of magnitude when the electron density is increased by 20%. This is consistent with linear theory, including pump depletion, in a uniform plasma and, as the density is typically constrained by… (More)


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