Micro-raman at very high pressure and variable temperature

Abstract We have designed a mechanical coupling between a spectrometer and a cryostat which allows the use of a microoptical system placed at the entrance of the spectrometer. Micro-Raman investigations are performed with a membrane diamond anvil cell placed inside the cryostat. The capability of this setup is illustrated with results obtained on benzene at 10 K up to 33 GPa.