Double-sided laser heating system for in situ high pressure–high temperature monochromatic x-ray diffraction at the esrf

Abstract

A new double-sided laser heating system optimized for monochromatic X-ray diffraction at high pressure and high temperature has been developed at beamline ID27 of the European Synchrotron Radiation Facility (ESRF). The main components of this system including optimized focusing optics to produce a large and homogenous heated area, optimized mirror optics for temperature measurements and a state-of-the-art diffraction setup are described in details. Preliminary data collected at high pressure and high temperature on tungsten and iron are presented.

Keywords:

• Laser heating
• Diamond anvil cell
• High pressure
• High temperature
• Monochromatic XRD
• Spectral radiometry