Sumitomo Chemical will participate in SPIE Photonics West 2025, the world’s largest optics and photonics conference and exhibition, to be held in San Francisco, California, the United States, from Tuesday, January 28 to Thursday, January 30, 2025. This conference, organized by the International Society for Optics and Photonics (SPIE), the leading society in this field, showcases a wide range of the latest optical and photonic technologies and applications, including optical communications, lasers, and optoelectronic devices.