A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The word...

A laser weapon is a type of directed-energy weapon that uses lasers to inflict damage. Despite decades of research and development, as of 2023[update]...

A laser diode (LD, also injection laser diode or ILD or semiconductor laser or diode laser) is a semiconductor device similar to a light-emitting diode...

Laser radiation safety is the safe design, use and implementation of lasers to minimize the risk of laser accidents, especially those involving eye injuries...

Laser cutting is a technology that uses a laser to vaporize materials, resulting in a cut edge. While typically used for industrial manufacturing applications...

Laser printing is an electrostatic digital printing process. It produces high-quality text and graphics (and moderate-quality photographs) by repeatedly...

Laser tag is a recreational shooting sport where participants use infrared-emitting light guns to tag designated targets. Infrared-sensitive signaling...

Laser guidance directs a robotics system to a target position by means of a laser beam. The laser guidance of a robot is accomplished by projecting a...

A ruby laser is a solid-state laser that uses a synthetic ruby crystal as its gain medium. The first working laser was a ruby laser made by Theodore H...

irradiating it with a laser beam. At low laser flux, the material is heated by the absorbed laser energy and evaporates or sublimates. At high laser flux, the material...