Abstract
We describe a technique and present results for imaging wakes and modes excited in a laser-cooled plasma of /sup 9/Be/sup +/ ions in a cylindrical Penning trap. Wakes are created by an off-axis laser push beam, while individual modes are excited by sinusoidally time-varying potentials applied to the trap endcaps. Variations in ion velocities are imaged by changes in the ion fluorescence due to Doppler shifts. A comparison between theory and experiment shows good agreement.
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Schedule a callMore From: IEEE transactions on plasma science. IEEE Nuclear and Plasma Sciences Society
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