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Megawatt Laser Power at Sea

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Amanda Francoeur, News Editor, [email protected]

A solitary US naval warship is at sea when a fleet of ships surrounds it armed with hypervelocity cruise missiles and electromagnetic rail guns. Although it may be outnumbered, the warship has something the other ships don’t – an ultraprecise, ultrafast, megawatt-class laser system with a selectable wavelength for optimum performance in any maritime condition. This future weaponized laser system is part of an extensive program designed to enhance free-electron lasers (FELs) into 100-kW and megawatt-class power systems for lethal and low-collateral-damage sea and air attacks. A naval...Read full article

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    Published: November 2009
    Glossary
    linear accelerator
    A device used to accelerate the electrons in a free-electron laser. There are several types, including the induction linear accelerator, the radio frequency linear accelerator and the superconducting linear accelerator.
    power
    With respect to a lens, the reciprocal of its focal length. The term power, as applied to a telescope or microscope, often is used as an abbreviation for magnifying power.
    100-kilowattall-electricAmanda D. FrancoeurBoeingChappellchemicalsCochrandefenseDESDirected Energy SystemsEd PogueFeaturesFELfree electron laserIDSIntegrated Defense SystemsJohn Cochranlinear acceleratormaritime defensemegawattmilitary weaponsnaval defenseNavyOffice of Naval ResearchONRPoguepoint defense capabilitypowerRaytheonSarwat Chappellspeed-of-lighttunable wavelengthultra-preciseLasers

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