nLIGHT, Inc. operates through two primary segments: Laser Products and Advanced Development. The Laser Products segment offers a range of semiconductor and fiber lasers, fiber amplifiers, and beam combination systems used in cutting, welding, and directed energy applications. The Advanced Development segment focuses on the research, design, and prototyping of next-generation laser technologies, primarily for the defense industry. With aerospace and defense accounting for nearly 70% of total revenue, the company has strategically pivoted toward directed energy and optical sensing applications. nLIGHT sells its products globally through a direct sales force in the United States, China, South Korea, and Europe, as well as through independent distributors.