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Fusion energy: Progress, partnerships, and the path to deployment
Over the past decade, fusion energy has moved decisively from scientific aspiration toward a credible pathway to a new energy technology. Thanks to long-term federal support, we have significantly advanced our fundamental understanding of plasma physics—the behavior of the superheated gases at the heart of fusion devices. This knowledge will enable the creation and control of fusion fuel under conditions required for future power plants. Our progress is exemplified by breakthroughs at the National Ignition Facility and the Joint European Torus.
H. Huang, R. Fallon, S. W. Haan, Y. T. Lee, K. A. Moreno, A. Q. L. Nguyen, A. Nikroo, K. L. Sequoia, R. B. Stephens, J. J. Wu
Fusion Science and Technology | Volume 59 | Number 1 | January 2011 | Pages 26-34
Technical Paper | Nineteenth Target Fabrication Meeting | doi.org/10.13182/FST10-3694
Articles are hosted by Taylor and Francis Online.
Delivering targets whose parameters are repeatable within specifications is critical to a successful ignition campaign. Knowing the repeatability of the metrology techniques and determining random error bars is central in achieving this goal. In this paper, we will discuss the relationship of specifications and actual target variability to the processes we have developed to adequately characterize them. The paper covers five broad categories of capsule specifications: dimension, composition, homogeneity, surface finish, and point defects. The instruments include contact radiography, energy dispersive spectroscopy, X-ray absorption edge spectroscopy, precision radiography system, sphere mapping, and phase-shifting diffraction interferometry.