Abstract
Impulsive Stimulated Scattering in the form of Laser‐Induced Phonon Spectroscopy is applied to the measurement of elastic moduli in the diamond‐anvil high‐pressure cell. In general ISS offers an approach to the study of a variety of equilibrium and dynamic phenomena in small solid and liquid samples. The requirements of the diamond‐anvil cell do not impose a severe obstacle to the repetition, at high pressure and temperature, of many experiments which have proven successful at ambient conditions. In particular, the pressure dependence of elastic constants and thermal diffusivity of β–oxygen are shown. Measurements of the viscoelastic properties of methanol at high temperature and pressure have also been completed.
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