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. Author manuscript; available in PMC: 2011 Apr 19.
Published in final edited form as: Phys Rev Lett. 2010 Sep 20;105(13):135101. doi: 10.1103/PhysRevLett.105.135101

FIG. 3.

FIG. 3

(color online). Measured and calculated gain-bandwidth curves for beam voltages of 35.4 and 28 kV. The points labeled (a), (b), (c), and (d) correspond to the labels in Fig. 6 below.