Disappearance of Trapped Yb+

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Abstract
The storage time of Yb+ ions trapped in an r.f. trap was determined by the rf resonance absorption method in the presence of buffer gas, without and with laser radiation of a frequency equal to the transition from the S1/2 ground state to the excited P1/2 state. The storage time of the ions with the buffer gas (presure between 1 × 10−4 and 4·2 × 10−4 Pa) was several hours without the laser radiation; this period was shortened to several hundred seconds by irradiation with a 500 nW laser source. This phenomenon shows that the trapped Yb+ ions disappeared from the trap as a result of irradiation with the resonance laser light.

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