ITER Core Plasma Thomson Scattering diagnostic design

The ITER Core Plasma Thomson Scattering (CPTS) diagnostic system is designed to measure the electron temperature and density with an accuracy of 10 % and 5 %, respectively, at the Tokamak plasma core with a spatial resolution of 66 mm. A 1064 nm laser is injected into the vacuum vessel during the plasma pulse, where the laser light is scattered by the plasma electrons due to Thomson Scattering. The scattered light is collected and analysed to determine the electron temperature and density. The CPTS diagnostic PDR design proposes a complete, detailed and robust preliminary design, compliant with the system requirements and nuclear regulations.