Advanced Laser Systems
NIF’s Advanced Radiographic Capability was able to create a high-energy stream of electrons and protons by irradiating a titanium foil target, as shown in this illustration of a typical proton-acceleration experiment. Credit: Andrea Macchi, et al., Rev. Mod. Phys., Vol. 85, No. 2, April–June 2013 The Advanced Radiographic Capability (ARC) is a petawatt-class laser with peak power exceeding a quadrillion (1015) watts. Developed principally for the National Nuclear Security Administration’s science-based Stockpile Stewardship Program, ARC is designed to produce brighter, more penetrating, higher-energy x rays than can be obtained with conventional radiographic techniques. ARC employs and extends LLNL’s expertise in high-energy petawatt lasers to enable multiframe, hard-x-ray radiography of imploding NIF capsules—a capability that is critical to the success of NIF’s mission. Drawing
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