On February 5^th, 2018, the results of the call to support the research groups that carry out R&D activities in Catalonia with the aim of promoting their activity and the scientific, economic and social impact, as well as promoting the international projection of its research. The research activity and the scientific production of the Optical Engineering Group (GREO) have again been highly valued by AGAUR, the agency of the Catalan Government in charge of supporting research and universities. The support will be available for the period 2017 -2019. The CD6 has obtained this recognition since the first evaluation back in 1995.