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Directed Energy Demos kW Cryogenic Laser
Jul 2007
Directed Energy Solutions (DES), a Colorado Springs, Colo., developer of chemical and optical systems, said it has demonstrated a continuous-output, kW cryogenic solid-state laser -- the highest average-power cryogenic laser ever built. The development and demonstration are part of the Air Laser program, funded by the Defense Advanced Research Projects Agency and the Department of Defense High Energy Laser, Joint Technology Office. Cryogenic solid-state laser devices produce increased output power and significant size and weight advantages compared to other types of solid-state lasers, DES said. "Inherent qualities of the cryogenic laser medium lead to improved beam quality and much higher efficiency at high power, which are extremely valuable properties for both military and commercial applications," it said in a statement. The high power-to-weight of cryogenic solid-state lasers offer the potential for effective directed energy weapons for a variety of small aerial, sea-based and ground-based platforms; and their high efficiency can increase portability and efficiency of commercial welding and machining tools, it said.

The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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