Zeeman splitting and Faraday rotation associated with Mn + 7PJ 7S3 absorption: Photon-trap spectroscopy and quantum-theory analysis

Akira Terasaki, Takuya Majima, Tamotsu Kondow

Research output: Contribution to journalArticle

Abstract

A novel experimental method is presented for detection of a trace of optical absorption of mass-selected ions stored in an ion trap. Photon-trap spectroscopy (a generalized scheme of cavity ring-down spectroscopy) is the key technique, where a storage lifetime of photons in a high-Q cavity provides a ppm-level high sensitivity. Experiment was performed on the manganese ion, Mn+, to record 7P2,3,4 7S 3 absorption spectra at around 260 nm. Zeeman splitting and Faraday rotation of the polarization plane were observed as well in the presence of a magnetic field. The high-resolution spectra show complex structures, which are fully interpreted by the quantum theory incorporating hyperfine interaction due to the Mn nuclear spin (I = 5/2). The present technique provides a novel approach to electronic and magnetic structures of mass-selected atomic, molecular, and cluster ions.

Original languageEnglish
Article number012045
JournalJournal of Physics: Conference Series
Volume185
DOIs
Publication statusPublished - Jan 1 2009

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Faraday effect
quantum theory
traps
photons
spectroscopy
manganese ions
ions
cavities
molecular clusters
atomic weights
molecular ions
nuclear spin
Q factors
optical absorption
electronic structure
absorption spectra
life (durability)
sensitivity
rings
high resolution

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Zeeman splitting and Faraday rotation associated with Mn + 7PJ 7S3 absorption : Photon-trap spectroscopy and quantum-theory analysis. / Terasaki, Akira; Majima, Takuya; Kondow, Tamotsu.

In: Journal of Physics: Conference Series, Vol. 185, 012045, 01.01.2009.

Research output: Contribution to journalArticle

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