Optical maser is another term to describe a laser, a device that emits light through a process of stimulated emission. Synonyms for optical maser include coherent light source, beam of concentrated light, focused light beam, and high-energy light beam. Other related terms include photonics and optoelectronics, which are technologies that have emerged due to the development of lasers. Within specific scientific fields, variations such as semiconductor laser and gas laser may be more commonly used. Regardless of the term used, the development of optical masers has revolutionized fields such as medicine, manufacturing, and telecommunications, allowing for greater precision and accuracy in a variety of applications.