Photon-trap spectroscopy of mass-selected ions in an ion trap: Optical absorption and magneto-optical effects
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- Akira Terasaki
- Genesis Research Institute, Inc. Cluster Research Laboratory, Toyota Technological Institute in East Tokyo Laboratory, , 717-86 Futamata, Ichikawa, Chiba 272-0001, Japan
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- Takuya Majima
- Genesis Research Institute, Inc. East Tokyo Laboratory, , 717-86 Futamata, Ichikawa, Chiba 272-0001, Japan
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- Tamotsu Kondow
- Genesis Research Institute, Inc. Cluster Research Laboratory, Toyota Technological Institute in East Tokyo Laboratory, , 717-86 Futamata, Ichikawa, Chiba 272-0001, Japan
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説明
<jats:p>A novel experimental technique has been developed to observe a trace of optical absorption of free mass-selected ions. The technique combines a linear radio-frequency ion trap with a high-finesse optical cavity to perform cavity ring-down spectroscopy (photon-trap spectroscopy for generality), where the storage lifetime of photons in the cavity provides a sensitivity high enough to probe the trapped ions. Absorption spectra of the manganese ion Mn+ are presented, showing hyperfine structures for the P2,3,47←S37 transitions in the ultraviolet range. Implementation of a solenoidal magnet allows us to observe the Zeeman splitting and the Faraday rotation as well.</jats:p>
収録刊行物
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- The Journal of Chemical Physics
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The Journal of Chemical Physics 127 (23), 231101-, 2007-12-18
AIP Publishing
