Navy Takes Next Step Towards Laser Holy Grail
U.S. Navy ships could one daytime knock down incoming missiles with energy weapons that never escape out of shots, and tune themselves to slice through the ocean air.
On Monday,
tods ipad, the Office of Naval Research rewarded contracts apt both Raytheon and Boeing worth one initial $6.9 million each as preparatory design go aboard a fashionable free electron laser, alternatively FEL. This prototype would be almost seven times mighty than whichever alike laser -- reaching up apt 100 kilowatts, or weapons-grade. Eventually, namely could pave the direction for a directed-energy arms that {can|be able apt,0} replace the Navy's new system for close-in ship ward, the radar-guided Phalanx gun.
The Phalanx system -- which likewise protects opposition rocket and mortar bombards on land -- is restricted by the scope and journal capacity of its 20mm autocannon. In theory, a laser-based system would attempt greater range, and a potentially unlimited digit of shots. Plus, it might be hasty enough to justify opposition "new, challenging menaces, such like,0 hyper-velocity cruise missiles," like,0 Boeing puts it. Directed energy namely also an praying option for countering rocket and mortar fire, because it could theoretically be used to protect populated areas.
Blasts from additional vigor weapons have a tendency to acquire,0 sponged by the moist, salty air nigh the sea. When that happens,
five fingers vibram, those lasers are out of luck, because they only bombard by 1 particular wavelength. But the free electron laser (FEL) can blaze by lots of alter points onward the spectrum. (Click here to learn why.) So mariners can pick which frequency ambition slit through the ocean atmosphere best -- and explosion away. It's one of several reasons why the FEL has been shrieked the "Holy Grail of lasers."
But FELs have been promised for decades and decades. (During the Star Wars epoch, the administration sank ten years and a half a billion into a FEL. All it could only muster a poor 11 watts.) To make the energy weapons in the end,0 come true this time, the Navy and its contractors will must do extra than fair build a better laser. The whole object will rely on the evolution of all-electric ships that would have enough onboard beverage to power these futuristic weapons.
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