Development Strategy of Free Electron Laser Technology in China

Abstract

Free electron laser (FEL) is a large-scale scientific research device based on electron linear accelerator and has been widely used in basic scientific research such as condensed matter physics, advanced materials and surface physics, atomic and molecular physics, chemistry, and biology. The advancement of FEL technology will promote the light sources to develop towards higher power and shorter wavelength to satisfy the increasing demands of users. This study introduces the necessity of development based on the characteristics of the FEL technology and summarizes the current development status of the technology in China and abroad. It also analyzes the existing problems in its development in China and proposes ideas and goals for the development of FEL technology in China. By 2035, China should focus on making breakthroughs in long-wave FEL, X-ray FEL, new FEL, and FEL-based extreme ultraviolet (EUV) lithography light source technologies. Based on the research and analysis, this study proposes some suggestions for the steady and healthy development of the FEL technology in China, including making scientific development strategies, raising investment in fundamental research to promote independent innovation, strengthening multi-party cooperation to promote the transformation of scientific and technological achievements, promoting market application, and strengthening personnel training.