nLIGHT, Inc. is a company that designs, manufactures, and sells semiconductor and fiber lasers for various applications including industrial, microfabrication, and aerospace and defense. It operates in two segments and provides fiber amplifiers, beam combination, and control systems for use in high-energy laser systems in directed energy applications. The company sells its products directly in the United States, China, South Korea, and some European countries, as well as through independent sales representatives and distributors in Asia, Europe, and South America.