Illumination research focuses on understanding and improving the lighting conditions in various environments, such as indoor spaces, outdoor areas, and public spaces. The goal of illumination research is to enhance visibility, increase safety, and create a comfortable and visually appealing atmosphere for individuals. This research area encompasses the study of natural and artificial lighting, as well as the impact of lighting on health, mood, and productivity. Researchers in illumination work to develop new lighting technologies, design lighting systems, and optimize lighting layouts for different applications.