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Journal Articles Physical Review A Year : 2015

Fast and efficient transport of large ion clouds


The manipulation of trapped charged particles by electric fields is an accurate, robust, and reliable technique for many applications or experiments in high-precision spectroscopy. The transfer of an ion sample between multiple traps allows the use of a tailored environment in quantum information, cold chemistry, or frequency metrology experiments. In this article, we experimentally study the transport of ion clouds of up to 80 000 ions over a distance of 20 mm inside a linear radio-frequency trap. Ion transport is controlled by a transfer function, which is designed taking into account the local electric potentials. We observe that the ion response is very sensitive to the details of the description of the electric potential. Nevertheless, we show that fast transport—with a total duration of 100 μs—results in transport efficiencies attaining values higher than 90% of the ion number, even with large ion clouds. For clouds smaller than 2000 ions, a 100% transfer efficiency is observed. Transport induced heating, which depends on the transport duration, is also analyzed.
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hal-01154665 , version 1 (22-05-2015)



Marius Romuald Kamsap, Jofre Pedregosa-Gutierrez, Caroline Champenois, Didier Guyomarc'H, Marie Houssin, et al.. Fast and efficient transport of large ion clouds. Physical Review A, 2015, 92, pp.043416. ⟨10.1103/PhysRevA.92.043416⟩. ⟨hal-01154665⟩
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