LASER World of PHOTONICS is the world's leading trade fair in the photonics industry and took place from 27 - 30 June 2023 in Munich. The world's leading trade fair for photonics components, systems and applications attracts trade visitors and exhibitors from all over the world every two years. Members of the research group "Ultra-Precision Surfaces" represented the IOM at a booth and with a lecture at the Photonics Congress. More than 1,300 exhibitors presented their innovations and intensively exchanged information on the latest trends in photonics technology with each other and with the approximately 40,000 visitors.