High-power lasers are devices that emit concentrated beams of light with significant energy. They are used in various applications, including industrial cutting, medical procedures, and scientific research. These lasers can produce light in different wavelengths, allowing them to be tailored for specific tasks. The technology behind high-power lasers often involves semiconductors or solid-state materials that amplify light. Safety measures are crucial when working with these lasers, as their intense beams can cause serious injuries. Researchers continue to explore new uses for high-power lasers, including advancements in telecommunications and defense technology.