Hogan, SD; Allmendinger, P; Saßmannshausen, H; Schmutz, H; Merkt, F; (2012) Surface-electrode Rydberg-stark decelerator. Physical Review Letters , 108 (6) , Article 063008. 10.1103/PhysRevLett.108.063008.

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Abstract

Hydrogen atoms in Rydberg states with principal quantum numbers between 23 and 70 have been accelerated, decelerated, and electrostatically trapped using a surface-electrode Rydberg-Stark decelerator. By applying a set of oscillating electrical potentials to a two-dimensional array of electrodes on a printed circuit board (PCB), a continuously moving, three-dimensional electric trap with a predefined velocity and acceleration is generated. From an initial longitudinal velocity of 760m/s, final velocities of the Rydberg atoms ranging from 1200m/s to zero velocity in the laboratory-fixed frame of reference were achieved. Accelerated or decelerated atoms were detected directly by pulsed electric-field ionization. Atoms trapped at zero mean velocity above the PCB were reaccelerated off the PCB before field ionization. © 2012 American Physical Society.

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