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The triple product is plotted versus pulse length in this graph, putting the OP1.1 results in perspective and showing that the combinations of triple product and pulse lengths for OP2 in W7-X will be rather unique. The figure is based on data from Ref. 47 and is an augmented version of one supplied to the authors by T. Morisaki. The pink color indicates regions that LHD can access, and the blue shows the additional parameter space spanned by existing tokamaks.
