A radio-frequency ion trap with string electrodes

Daisuke Kanai, Taro Hasegawa

Research output: Contribution to journalArticlepeer-review


A radio-frequency (rf) ion trap with string electrodes is introduced. In this trap configuration, the rf electrodes are made of narrow metal strings, by which a negligibly small portion of light-induced fluorescence (LIF) is blocked. Then the LIF collection solid angle can be maximized. In the demonstration, barium ions are trapped and laser-cooled in the rf trap with string electrodes successfully, and the crystallization is confirmed by the LIF spectrum.

Original languageEnglish
Article number023106
JournalReview of Scientific Instruments
Issue number2
Publication statusPublished - 2018 Feb 1

ASJC Scopus subject areas

  • Instrumentation


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