Illumination engineering focuses on the design and implementation of lighting solutions for various applications, environments, and purposes. This field encompasses the study of light sources, lighting fixtures, lighting design, and lighting control systems to optimize the quality, efficiency, and effectiveness of lighting in indoor and outdoor spaces. Illumination engineering aims to enhance visibility, aesthetics, comfort, and safety while also considering factors such as energy efficiency, sustainability, and human factors. Researchers in this area may investigate new technologies, materials, and techniques to improve lighting quality, reduce energy consumption, and enhance user experience in various settings such as residential, commercial, industrial, and outdoor environments.