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International Journal of Optics
Volume 2013, Article ID 213684, 5 pages
Research Article

Zeeman Effect of Sm Atoms by High-Resolution Diode-Laser Spectroscopy

Department of Physics, Faculty of Science, Toho University, Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan

Received 28 November 2012; Accepted 30 April 2013

Academic Editor: Gong Ru Lin

Copyright © 2013 Wei-Guo Jin and Tatsuya Minowa. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


High-resolution atomic-beam diode-laser spectroscopy in Sm I has been performed. Zeeman spectra have been measured for the three optical transitions at different external magnetic fields and well resolved at the magnetic fields of stronger than 6.0 mT. Using the known precise Landé -factors of the ground multiplet, the Landé -factors of the upper 4f66s6p   and levels have been determined, and their precision has been improved compared with the reference values.