Deceleration of Metastable Li+ Beam by Combining Electrostatic Lens and Ion Trap Technique
- 1 July 2020
- journal article
- research article
- Published by IOP Publishing in Chinese Physics Letters
Abstract
Ion deceleration has played a critical role in ion-related research when the ions are produced in the form of a high-energy beam. We present a deceleration method combining electrostatic lens and ion trap technique, which can effectively decelerate ions to energy below the trapping potential of a typical ion trap. The experiments were performed on metastable 1s2s 3 S 1 Li+ ions, and demonstrated that the kinetic energy could easily be reduced from ∼450 eV to a few eV, with the latter being confirmed using the Doppler-shifted fluorescence spectra.Keywords
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