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Progress on the National Ignition Facility

机译:国家点火设施的进展

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The National Ignition Facility (NIF) is a 192 beam Nd-glass laser facility presently under construction at LLNL. When completed, NIF will produce 1.8 MJ, 500 TW of ultraviolet light making it the world's largest and most powerful laser system. NIF will be the world's preeminent facility for performing experiments for Inertial Confinement Fusion (ICF) and High Energy Density Science (HEDS). The Project, begun in 1995, is over 80% complete. The building and the beam path are essentially complete. Nearly all of the functionality of the laser subsystems has been demonstrated. NIF has demonstrated on a single beam basis that it meets its performance goals and shown the laser's precision and flexibility for pulse shaping, pointing, and timing. Beam conditioning techniques, important for target performance, were also demonstrated. The focal spot can be tailored to user specifications using phase plates. Temporal smoothing using smoothing by spectral dispersion (SSD) as well as polarization smoothing was demonstrated. The remaining work is mostly to complete the optics and install them in the beam path and complete the utilities. Presently, eight beams have been activated through the amplifiers and spatial filters to the switchyard wall. Over 150 kJ of 1ω light has been produced with just 4% of the NIF capacity activated. The Project is scheduled for completion in 2009 and plans have been developed to begin ignition experiments in 2010. This talk will provide NIF status, the plan to complete NIF, and the path to ignition.
机译:国家点火设施(NIF)是目前在LLNL建造的192梁ND-玻璃激光设施。完成后,NIF将生产1.8 MJ,500次紫外线,使其成为世界上最大,最强大的激光系统。 NIF将成为世界卓越的设施,用于对惯性监禁融合(ICF)和高能量密度科学(HEDS)进行实验。该项目于1995年开始,超过80%。建筑物和光束路径基本上是完整的。几乎已经证明了激光子系统的所有功能。 NIF在单一光束上展示了它符合其性能目标,并以脉冲整形,指向和定时显示激光的精度和灵活性。还证明了针对目标性能的光束调理技术。使用相板可以根据用户规范量身定制焦点。通过光谱分散(SSD)和偏振平滑,使用光滑光滑的时间平滑。其余工作主要是为了完成光学器件并在光束路径中安装它们并完成实用程序。目前,通过放大器和空间滤波器激活了八个光束到开关墙壁。已有超过150 kJ的1Ω光线,只有4%的NIF容量激活。该项目计划于2009年完成,并开发了计划于2010年开始点火实验。此谈话将提供NIF状态,完成NIF的计划和点火路径。

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