New Mid-infrared Lasers Show Doubled Efficiency

Researchers have recently doubled the efficiency of infrared lasers under the US Defense Advanced Research Projects Agency's Efficient Mid-wave Infrared Lasers program. As these types of lasers become more efficient, they could be used in next-generation laser-based defense systems to fool incoming missile attacks or detect explosives or toxins in the atmosphere. Such lasers could also be used in commercial applications like trace chemical analysis, pollution monitoring, and free space communication.

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