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A laser pointer or laser pen is a (typically battery-powered) handheld device that uses a laser diode to emit a narrow low-power visible laser beam (i.e. coherent light) to highlight something of interest with a small bright colored spot.
Laser. Members of the Directed Energy and Electric Weapon Systems Program Office of the US Navy, fire a laser through a beam director on a Kineto Tracking Mount, controlled by a MK-15 Phalanx Close-In Weapons System. A laser weapon is a directed-energy weapon based on lasers .
High power applications, such as hardening, cladding, and deep penetrating welding, require multiple kW of optical power, and are used in a broad range of industrial processes. Micro material processing is a category that includes all laser material processing applications under 1 kilowatt. [12]
The new research, which was funded by the US Air Force, found a solution to limit the scattering and produce a high-quality, high-powered beam capable of causing major damage to a distant target.
Due to their thermal conductivity, pulsed, rather than continuous wave lasers, are preferred in laser engraving applications. High peak power, low pulse duration lasers are able to ablate material off a metal engraving surface without delivering enough energy to melt the surface. Laser on stainless steel.
These devices can generate high power outputs with good beam quality, wavelength-tunable narrow-linewidth radiation, or ultrashort laser pulses. In 2012, Nichia and OSRAM developed and manufactured commercial high-power green laser diodes (515/520 nm), which compete with traditional diode-pumped solid-state lasers.