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Latest News
Strontium: Supply-and-demand success for the DOE’s Isotope Program
The Department of Energy’s Isotope Program (DOE IP) announced last week that it would end its “active standby” capability for strontium-82 production about two decades after beginning production of the isotope for cardiac diagnostic imaging. The DOE IP is celebrating commercialization of the Sr-82 supply chain as “a success story for both industry and the DOE IP.” Now that the Sr-82 market is commercially viable, the DOE IP and its National Isotope Development Center can “reassign those dedicated radioisotope production capacities to other mission needs”—including Sr-89.
B. C. Stratton, M. Bitter, K. W. Hill, D. L. Hillis, J. T. Hogan
Fusion Science and Technology | Volume 53 | Number 2 | February 2008 | Pages 431-486
Technical Paper | Plasma Diagnostics for Magnetic Fusion Research | doi.org/10.13182/FST08-A1677
Articles are hosted by Taylor and Francis Online.
Spectroscopy of radiation emitted by impurities and hydrogen isotopes plays an important role in the study of magnetically confined fusion plasmas, both in determining the effects of impurities on plasma behavior and in measurements of plasma parameters such as electron and ion temperatures and densities, particle transport, and particle influx rates. Spectroscopic diagnostics of plasma radiation that are excited by collisional processes in the plasma, which are termed passive spectroscopic diagnostics to distinguish them from active spectroscopic diagnostics involving injected particle and laser beams, are reviewed. A brief overview of the ionization balance in hot plasmas and the relevant line and continuum radiation excitation mechanisms is given. Instrumentation in the soft X-ray, vacuum ultraviolet, ultraviolet, visible, and near-infrared regions of the spectrum is described and examples of measurements are given. Paths for further development of these measurements and issues for their implementation in a burning plasma environment are discussed.